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11[[quoteright:350:[[VideoGame/SouthParkPhoneDestroyer https://static.tvtropes.org/pmwiki/pub/images/toxic_pylon.png]]]]
12[[caption-width-right:350:"[[VideoGame/KingsQuestVAbsenceMakesTheHeartGoYonder Watch out!]] A [[AccentUponTheWrongSyllable pOIsonous]] barrel!"]]
13%%
14->'''Nami:''' The smoke's almost to us!!\
15'''Usopp:''' Look at the creepy color! It must be incredibly toxic!!
16-->-- ''Manga/OnePiece''
17
18In RealLife, poison is usually detected and identified thanks to its bitter taste and/or smell. But how can we identify a poison as such in visual mediums, where taste and smell aren't an option?
19
20Of course, the [[ColorCodedForYourConvenience color itself!]]
21
22Eastern media tend to portray poisonous substances in a [[EditorialSynesthesia dark purple color]], usually bubbling. In Western media, [[SicklyGreenGlow Sickly Green]] is more common because of the former popularity of arsenates, which really are fluorescent green. There are also other works from both sides of the Atlantic showing poisons and venoms of various other colors. When the toxin is known to act as an aphrodisiac, it's more likely to be [[PinkIsErotic pink]] than purple or green.
23
24It may be shown [[PoisonIsCorrosive melting stone]] and steaming foul vapors.
25
26Thanks to these distinctive colors, the audience can [[RuleOfPerception instantly perceive whether a substance is toxic]]. There are instances of this being TruthInTelevision, as shown below -- especially when dealing with organic poisons, where signaling to predators that a particular plant or animal is poisonous is necessary for the poison to provide protection.
27
28Seen often paired with PoisonedWeapons, PoisonousPerson, PerfectPoison, and DeadlyGas for poisonous fumes. See also SicklyGreenGlow for that iconic pop culture depiction of radiation, PurpleIsPowerful for strong things connected to the colour purple in general, and PurpleIsTheNewBlack.
29
30----
31!Examples:
32[[foldercontrol]]
33
34!!Purple Poison
35
36[[folder:Anime and Manga]]
37* ''Manga/{{Bleach}}'' features Mayuri's Ashisogi Jizo, which releases a purple poison cloud. The affected victims also turns purple. [[spoiler: Gin Ichimaru's true power releases a deadly poison with a purple aura.]]
38* [[MeaningfulName Cobra]] from Oracion Seis in ''Manga/FairyTail'' owns a violet giant snake named Cuberios which is poisonous and its victims turn slowly purple when bitten (seen in the anime with [[ActionGirl Erza]]). Also his Poison Dragon Slayer's scales are violet.
39* In ''Manga/InuYasha'', Naraku's Shouki is dark purple, and is most certainly poisonous.
40* The flesh-melting poison used by Fugo's stand Purple Haze in ''Manga/JoJosBizarreAdventure'' hasn't been seen in color in the manga, but ''VideoGame/JoJosBizarreAdventureAllStarBattle'' shows it as being (sure enough) purple.
41* In ''Manga/JoujuuSenjinMushibugyou'', [[spoiler:the Insect Magistrate]]'s hair, eyes and clothes turn purple when she unleashes her Poison Bug Powers. She thus rounds up the trope trifecta by being a PoisonousPerson wielding purple [[PoisonIsCorrosive Corrosive Poison]]...
42* ''Anime/{{Naruto}}'' features purple-colored poisons, seen with Shizune's BreathWeapon and Sasori's weapons.
43* ''Manga/OnePiece'' has several instances of purple poison, including Crocodile's Hookhand, Wanze's BigFancySword, Marigold's spit, [[PetalPower Musshuru's spores]] and, of course, [[PoisonousPerson Magellan himself]]. It also has PoisonIsCorrosive effect and noxious steams. Later, during the Punk Hazard arc, Smiley's poison gas is clearly described as "purple", even if the comic is in black and white. Smiley's anime appearance shows he's a red-violet color rather than pure purple. The noxious gasses he releases are actually purple though. Smiley's master, Caesar Clown, utilizes light blue poison gasses with a purple hue, which turn completely dark purple when he goes OneWingedAngel.
44* ''Anime/PokemonTheSeries'': As in the games, both Poison-type moves and Mons are often depicted as purple. Examples include Grimer, Koffing, Ekans and their evolutions.
45* ''Anime/RoninWarriors'' has Sekhmet, Warlord of Venom, whose [[PoisonIsCorrosive corrosive]] poison is usually portrayed as pink or purple. Interestingly enough, his armor is mostly green.
46* In the anime of ''VideoGame/SengokuBasara'', Matsunaga uses purple poison gas in order to take down Kojuro. In contrast the gas Sasuke uses as an antidote is green.
47* Coco from ''Manga/{{Toriko}}'' can secrete purple colored poisons from his body. In the anime at least.
48[[/folder]]
49
50[[folder:Asian Animation]]
51* ''Animation/HappyHeroes'': In Season 7's "God of War Legend" StoryArc, Caesar's soldiers wield PoisonedWeapons that have a purple tint and leave visibly purple wounds on the characters.
52* In ''Animation/PleasantGoatAndBigBigWolf: The Intriguing Alien Guests'', Mushroom can release poisonous gas that is colored purple, much like her.
53[[/folder]]
54
55[[folder:Comic Books]]
56* ''ComicBook/WonderWoman1942'': L-3 is technically benificial, given its FountainOfYouth applications, however drinking enough of the odd magenta water diffused "vitamin" will kill by reversing one's age until they're a zygote.
57[[/folder]]
58
59[[folder:Films -- Live-Action]]
60* The purple flower in ''Film/{{Jumanji}}'' is the one that shoots poison darts at players as part of the game's scheme to keep you from being able to finish it. To wit, the game [[spoiler:puts the flower right underneath itself so the plant springs up through the floorboards as Judy picks up the game to bring it to Sarah, who ''would'' get it and take her turn but [[ItMakesSenseInContext is stuck in the floor across the room with Alan]]]].
61[[/folder]]
62
63[[folder:Literature]]
64* In ''Literature/ASongOfIceAndFire'', when [[spoiler:Joffrey is poisoned at his wedding feast]], it's strongly implied that this was the work of [[CoolOldLady Olenna Tyrell]], who had the opportunity to remove a poisonous solid disguised as an amethyst from Sansa's jeweled hair net and drop it in his cup of wine. One indication of this is the wine itself: an early goblet is poured over Tyrion's head and described as red, while the dregs remaining in the later, poisoned goblet are described as purple.
65* In ''Literature/TheSwordOfShannaraTrilogy'' the poison from the Creeper-like monster is described as purplish in color.
66* In "Literature/RappaccinisDaughter", [[PoisonousPerson Beatrice]] leaves purple fingerprints where she touches Giovanni.
67* In ''Literature/TheFarthestAwayMountain'', the Colored Snow Witch has covered the snow of the mountain in various colors, each with a different cursed effect. Dakin never finds out exactly what the purple snow does, but notes that it is a very poisonous looking shade of purple and gives off a toxic smell. When she steps through it with magical protection, it fizzles like HollywoodAcid.
68[[/folder]]
69
70[[folder:Live-Action TV]]
71* The poison featured in the pilot of ''Series/{{Forever|2014}}'' is a purple-blue color. Justified as it's aconite, which is derived from monkshood, a similarly colored flower.
72* Cobra-themed Kamen Rider Ohja of ''Series/KamenRiderRyuki'' is conveniently purple. As is scorpion-themed Sasword in ''Series/KamenRiderKabuto''. Purple poison actually drips from his weaponry as he attacks.
73[[/folder]]
74
75[[folder:Video Games]]
76* ''VideoGame/BattleRoyaleio'': The poisonous essence that regularly expands and shrinks the playable area is purple-colored.
77* ''VideoGame/BraveFrontier'': In most games, the Poison status is purple in color, but its symbol shows green bubbles on a purple background.
78* ''VideoGame/BugFables'': Purple is used to represent poison, both in the form of poison attacks often appearing as large globs of purple liquid, to characters inflicted with the Poisoned status turning purple all over.
79* ''VideoGame/CastlevaniaCircleOfTheMoon'': The poison status effect causes Nathan to take on a purple tint. Poisonous snakes, Poison Armors and other poison enemies are purple, fitting the games focus on [[ElementalPowers different elemental traits]]. The Manticore card applies the Poison element to your spells, which results in predominantly purple graphical effects. Interestingly enough, antidotes are also represented by a bottle filled with purple liquid.
80* In ''VideoGame/DarkCloud'' and the sequel ''VideoGame/DarkChronicle'', the poisoned status icon is purple, with the poisoned character being shaded purple. Most attacks that can cause poison are purple, as well.
81* ''VideoGame/DarkSouls'': In the [[VideoGame/DarkSoulsI first]] and [[VideoGame/DarkSoulsIII third]] games, Poison and Toxic are associated with the color purple and require purple moss to be purged. Both Undead Dragons encountered can vomit streams of poisonous purple liquid as a form of attack, and some of the Pyromancer's venomous tricks are purple-colored. There are also exceptions, such as the poisonous swamps at the bottom of Blighttown, which are brownish in color, but still build up the poison gauge, or the Basilisks (bright purple reptiles which however inflict Curse, not poison).
82* ''Franchise/{{Disgaea}}'': Poisoned characters are signaled with purple bubbles.
83* ''VideoGame/DonkeyKongCountry3DixieKongsDoubleTrouble'': "Poisonous Pipeline" features as its {{gimmick}} purple liquid that [[InterfaceScrew inverts the D-pad commands]]. A first for the series, since poisoned water in previous games is depicted as green (see below).
84* ''VideoGame/DragonQuest'': Poison swamps are always colored violet.
85* ''VideoGame/EtrianOdysseyVBeyondTheMyth'': While the standard poison ailment is portrayed with color green in-battle, as has been the case in the rest of the series, the toxic puddles found in Fetid Necropolis are colored intense purple. During day, these puddles have to be avoided due to their harmful effects, but during night they dry up and their areas are safe to walk on. Similar puddles are found much later in Empyreal Bridge, but those remain active 24/7.
86* ''VideoGame/FinalFantasy'': Almost all the games in the saga features purple swamps where you take damage as you walk.
87** ''VideoGame/FinalFantasyVI'': When Kefka dumps poison into the river surrounding Doma Castle, the water takes on a purplish hue.
88** ''VideoGame/FinalFantasyTacticsAdvance'': The Miasma spell is purple.
89* ''VideoGame/{{Gemfire}}'': Skulryk's poison clouds are deep purple.
90* ''VideoGame/{{Genji}}: Dawn of the Samurai'': The Poison element is purple.
91* ''VideoGame/{{Highborn}}'': Poisonous swamps are always bright purple.
92* ''VideoGame/HiveJump'': Giant mushrooms spit clouds of purple gas.
93* ''VideoGame/JesusChristRPGTrilogy'': Poisonous swamps are purple.
94* ''VideoGame/KirbyPlanetRobobot'': Kirby's Poison [[PowerCopying Copy Ability]] lets him emit violet liquids and gases and gives him a hat that spews the liquid out of the top.
95* ''VideoGame/{{Thelastio}}'': The poison from both the Poison Staff and the blowpipes is represented as purple.
96* ''VideoGame/TheLegendOfSpyroTheEternalNight'': The poisonous GrimyWater of the Ancient Grove is a vivid, shocking purple.
97* ''VideoGame/TheLegendOfZeldaMajorasMask'': You can tell Woodfall Swamp is poisoned due to the water having a distinct reddish-purple hue. Even the plants take on bright, unnatural colors.
98* ''VideoGame/{{Mabinogi}}'': Poison bottles (used for coating weapons) are bright purple, and poisoned characters or monsters acquire a purple tint and emit purplish fumes. Sulfur poisoning from Zardine fumarole areas tints the player yellow with a purple tinge.
99* In ''VideoGame/MonsterHunter'', poison is typically represented by purple mist that accompanies attacks that can inflict poison status, and bubbles of the same color on a poisoned target. In an inversion of PurpleIsPowerful, the more potent variants (which drain health faster) are less purple and more red: magenta mist and bubbles for Noxious Poison and red for Deadly Poison.
100* ''VideoGame/OdinSphere'': Poisoned characters turn purple.
101* ''VideoGame/OnimushaDawnOfDreams'' features purple poison for the first time in the saga. Poisoned characters turns purple too.
102* ''VideoGame/TheOtherAirisAdventure'': Poisonous Tomatoes, the PaletteSwap version of red ordinary Tomato enemies, are purple.
103* ''VideoGame/{{Overwatch}}'': Widowmaker's Venom Mine, Zenyatta's Discord Orb and Ana's biotic grenade all cause the affected target to glow purple. The former chips away at health while the latter two increase damage and decrease healing.
104* ''VideoGame/{{Pikmin}}'':
105** ''VideoGame/Pikmin2'': Poisonous gas is purple, as are the spores from the Puffstool. The color coding is also used for (the more pinkish) Munge Dweevils, which are part of a family of enemies with ElementalPowers [[spoiler: as well as the [[FinalBoss Titan Dweevil]], when he's about to use his poison weapon]]. Oddly, ''White'' Pikmin are the type immune to the latter, while Purple Pikmin don't have a hazardous element they're immune to, though they can't be blown by wind, making Whites the only Pikmin whose color does not match that of their element.
106** ''VideoGame/HeyPikmin'': The poison that serves as the game's GrimyWater and more rarely appears as geysers is a bright, vivid purple. Olimar confuses a purple [[Franchise/{{Splatoon}} Inkling's]][[note]](more accurately, the [[Toys/{{Amiibo}} statue]] of one.)[[/note]] ink for poison just because of this trope, suggesting that he should play with water instead. He's [[RightForTheWrongReasons somewhat right about the ink]] (it is toxic... to everyone ''except'' that Inkling and his teammates, and other colors of ink would be just as toxic to him), but replacing it with water would be [[SuperDrowningSkills much worse]].
107* ''Franchise/{{Pokemon}}'': The Poison elemental type has a purple icon, "Poisoned" status is also purple, and many Poison-type attacks (such as Toxic and Gunk Shot) are represented with a bubbly purple goop. Furthermore, many Poison-related Pokémon like Koffing/Weezing, Ekans/Arbok, Gastly/Haunter/Gengar, Nidoran/Nidorina/Nidorino/Nidoqueen/Nidoking, Zubat/Golbat/Crobat, Stunky/Skuntank, Skorupi/Drapion are violet in color.
108* ''VideoGame/PrimalCarnage'': The ''Dilophosaurus'' has the ability to spit a bright purple venom which drains stamina on contact.
109* ''VideoGame/SaGaFrontier2'' has poisoned characters turning purple (then back to their normal colouration) at the end of each combat round, and the symbol indicating a poisoning is a pair of purple droplets.
110* ''VideoGame/SamuraiShodown'': A mismatched case: Gen'an's poison cloud is orange, but the poisoned victim becomes purple.
111* ''Franchise/ShinMegamiTensei'': Poison turns characters purple with violet bubbles coming off them.
112* ''{{VideoGame/Sipho}}'': Poison is depicted as a cloud of purple fluids.
113* ''VideoGame/SouthParkPhoneDestroyer'': The card art for Toxic Pylon depicts the substance as purple.
114* ''VideoGame/StreetFighterV'': F.A.N.G.'s poison attacks emit gobs of purple goo and pillars of purple smoke. When his opponent is hit byone of his abilities, their life meter changes to a purplish hue when the DamageOverTime effect takes over.
115* ''Franchise/SuperMarioBros'':
116** The purple shroom inflicts poison or disables the playable characters, depending on the game.
117** ''VideoGame/MarioAndLuigi'': The stronger version of the poison status turns the brothers bright violet.
118** In ''VideoGame/SuperMarioGalaxy'' and [[VideoGame/SuperMarioGalaxy2 its sequel]] there are swamps with purple gunk that instantly cause you to drown.
119** Starting with ''VideoGame/NewSuperMarioBros'', forest stages in the series are often flooded with a poisonous, bright purple gunk that acts like lava when touched (i.e. OneHitKill).
120* ''VideoGame/SuperSmashBrosBrawl'': In the Cave level of the Subspace Emissary story, the poison gas you encounter is purple colored.
121* ''VideoGame/{{Terraria}}'': Deep purple is used for the Acid Venom debuff, a more severe version of the green-colored Poison debuff.
122* ''VideoGame/TonicTrouble'': The GrimyWater in the final level is shaded purple.
123* ''VideoGame/WheresMyWater'': If the poison so much as touches water, the entire body of water will turn purple as well.
124* ''VideoGame/ZombsRoyaleio'': The poisonous gas that regularly advances and shrinks the playable area is purple-colored.
125[[/folder]]
126
127[[folder:Visual Novels]]
128* ''VisualNovel/Danganronpa2GoodbyeDespair'': Monokuma's special poison, [[spoiler:the murder weapon of Chapter 5]], is purple in color, even as a gas.
129[[/folder]]
130
131[[folder:Western Animation]]
132* ''WebAnimation/{{RWBY}}'': When Ruby shoots off the end of Tyrian's scorpian tail, the poison that spills from it is purple. Later, the blood that come out of Qrow's wound and [[BloodFromTheMouth mouth]] is the same color.
133* ''WesternAnimation/ScaredySquirrel'': Dave's spray clouds are depicted as a large, purple cloud.
134[[/folder]]
135
136[[folder:Real Life]]
137* Iodine is purple in its gaseous form, black as a liquid and bluish black as a solid. Also toxic (it is an essential microelement, as well, but that's biology for you). The alcohol solution of iodine used to disinfect wounds is dark brown.
138[[/folder]]
139
140!!Green Poison
141
142[[folder:Anime and Manga]]
143* [[AloofBigBrother Sesshomaru's]] poison in ''Manga/InuYasha'' tends to be yellow or greenish.
144* The aptly named ''Daft Green'' trees in the tenth ''Franchise/OnePiece'' movie, ''Anime/OnePieceFilmStrongWorld'', produce green venomous spores. [[spoiler: When Nami is forcibly exposed to the spores by [[BigBad Shiki]] she starts [[http://images.wikia.com/onepiece/images/8/8b/Strong_green.png turning green]] herself.]]
145* The Four Beast from ''Manga/{{Toriko}}'' can breathe out a venomous yellowish-green cloud which releases a poisonous "Green Rain" which will poison a whole metropolis worth of people to death. To counterbalance the poison, Yuda prepares an antidote Mochi made from purple rice, because, on a wheel of colors, purple stands at the opposite end of yellow-green.
146[[/folder]]
147
148[[folder:Arts]]
149* ''Art/CirceInvidiosa'': In contrast to the [[WaterIsBlue pure blue of Scylla's home]], the poison Circe pours into it is a bright green. It's got a double meaning since [[GreenEyedMonster she's poisoning Scylla out of envy]].
150[[/folder]]
151
152[[folder:Comic Books]]
153* ComicBook/TheJoker's Smylex toxin is usually shown as a green liquid or gas. This was common enough that it's included in ''Franchise/{{Batman}}'' films, games, and animated series that he appears in.
154* ''Franchise/WonderWoman'': A couple of Dr. Poison's toxins were yellow-green, though one of these was actually meant to drive the victims mad rather than kill them outright.
155[[/folder]]
156
157[[folder:Fan Works]]
158* ''VideoGame/IceAndFireMinecraft'': The hydra's poison spit attack takes the form of jets of almost neon-green liquid.
159* ''Fanfic/LittleHandsBigAttitude'': Discussed when Tom gives Knuckles guacamole to try. Kncukles remarks that in his experience, lumpy bright green substances are best avoided. Tom admits he has a point.
160[[/folder]]
161
162[[folder:Literature]]
163* ''Literature/FeetOfClay'': Subverted -- Vimes expects arsenic to be green and is surprised to learn otherwise.
164* ''Literature/WarriorCats'': In ''Twilight'', the source of [=RiverClan=]'s poisoning is a silvery-green liquid leaking from a Twoleg object. Leafpool comments that the stuff even ''looks'' evil.
165[[/folder]]
166
167[[folder:Live-Action TV]]
168* A promotional picture for the second season of ''Series/TheBorgias'' depicts Lucrezia Borgia holding a small vial filled with green liquid, presumably poison, as the real-life Lucrezia Borgia was supposedly a notorious poisoner. In the series itself, poison is usually depicted as colorless, though.
169* The poison the adversary uses in the ''Series/DoctorWho'' episode "[[Recap/DoctorWhoS14E3TheDeadlyAssassin The Deadly Assassin]]" is green. Likewise the poison in "[[Recap/DoctorWhoS26E3TheCurseOfFenric The Curse of Fenric]]".
170[[/folder]]
171
172[[folder:Multiple Media]]
173* In ''Film/KongSkullIsland'' and ''The Birth of Kong'', the boneyard where the Skullcrawlers live has a sickly yellowish-green hue in the air. The files in the ''[[Franchise/MonsterVerse Kong: Skull Island Cinematic Adventure]]'' sourcebook confirm that this is because geothermal vents in the boneyard emit poison gases.
174[[/folder]]
175
176[[folder:Video Games]]
177* In ''VideoGame/AgeOfMythology'', the Scorpion Man Myth Unit, granted to followers of Nephthys, has a special attack that poisons nearby units, draining their health for a small while. Poisoned units are represented with green clouds surrounding them.
178* In ''VideoGame/AlteredBeast1988'', a GiantSpider boss attacks by spitting body parts coated in green stuff, implied to be venom.
179* ''VideoGame/AvenColony'' has Sickly green gas from geothermal vents. Dangerous to colonists health if it gets in air intakes.
180* IT doesn't matter whether the poison in the ''VideoGame/{{Avernum}}'' games is applied through magic, gas, spider bites or worms' spit -- it'll always look green, and work in the same way.
181* Poisoned enemies in ''VideoGame/TheBindingOfIsaac'' turn green, and poison-related items and effects are often color-coded green.
182* ''VideoGame/BlackAndWhite'': Grain piles turn uniform green when poisoned with a mushroom or other contaminant. This appears to be limited to [[AGodIsYou your divine senses]], since humans don't notice the difference and eagerly poison themselves.
183* In ''VideoGame/BlockNLoad'', Eliza Doolally's poison gas is bright green.
184* In ''VideoGame/BloonsTowerDefense'', Bloon Dissolver and Bloon Liquefier glue are green in colour.
185* In ''VideoGame/{{Bravium}}'', the poison from both the enemies and the playable characters' attacks is always green.
186* In ''VideoGame/CastleCrashers'' the poison is green, and the Green Knight can use poisonous attacks.
187* ''VideoGame/CastlevaniaCurseOfDarkness'' features green colored poison status, and uses purple for the "cursed" status alteration. However, at least one enemy ([[LizardFolk White Gravial]]) spews a purple liquid.
188* In ''VideoGame/CrashMindOverMutant'' the "Sludge" Titan is toxic and green. Poisoned enemies turn green as well.
189* In ''VideoGame/DarkSoulsII'', Poison is colored green unlike the games before and after it. Harvest Valley and Earthen Peak contain pools of green poisonous sludge that can stick to your character and continue building up the poison status even after getting out.
190* ''VideoGame/TheDeadMines'': The abandoned mine is filled with toxic green gas.
191* ''VideoGame/DemonSkin'': Poisoned projectiles, like those fired from stingers of giant scorpions, are bright green., Getting hit by these attacks coats you in a green aura that drains your health until you recover or consume an antidote.
192* In ''VideoGame/DetectiveGrimoire: Secret of the Swamp'', the poison [[spoiler: used to make Remington ill]] was a green powder.
193* Subverted by ''VideoGame/DeusExHumanRevolution'', the pale green gas released by shooting the canisters is not poison and just knocks out anyone caught in it.
194* ''VideoGame/DivinityOriginalSinII'':
195** Spells, clouds, pools, and weapons that inflict [[ElementalPowers Poison damage]] are coloured acid green. Cursed poison looks darker and murkier, while Blessed poison has [[HealingHands healing powers]] and glows cleanly.
196** This trope can be {{Exploited|Trope}} in the ItemCrafting system by adding red dye to poison bottles to disguise them as healing potions.
197* ''VideoGame/DonkeyKongCountry'':
198** ''VideoGame/DonkeyKongCountry2DiddysKongQuest'': In the "Toxic Tower" level, the player must climb platforms to avoid contact with the [[AdvancingWallOfDoom rising green water]].
199** Also, "Poison Pond" in the first ''VideoGame/DonkeyKongCountry'' has the Kongs swimming through a greenish water/sludge pond. The water is completely harmless, though, and most likely green just to go with the {{Eternal Engine}} theme of Kremcroc Industries, Inc. as a {{Polluted Wasteland}}.
200** While not of the deadly kind, ''VideoGame/DonkeyKongCountry3DixieKongsDoubleTrouble'' features a level called "Low-G Labyrinth", which happens in a pipeline filled with greenish gas that [[GravityScrew decreases gravitational pull]].
201* In ''VideoGame/DungeonCrawl'' poisonous corpses are shown in green text.
202* In ''VideoGame/{{Dungeons}}'', Plague Demons are green and can spit poison. The poisonous traps of the [[TheUndead Mindless Army]] are greenish in color.
203* In ''VideoGame/EldenRing'', the standard poison effect and various attacks that cause it are green. There's also the Scarlet Rot, which is presented as ThePlague in the story but functions as a stronger poison effect in gameplay, and is colored with various shades of red.
204* In several ''Franchise/TheElderScrolls'' titles, poisons (being any alchemical potions with harmful effects, which allow them to be applied to weapons) and beneficial potions are found in identical bottles, with only the dark green fluid inside allowing you to tell the immediate difference.
205* ''VideoGame/{{Elona}}'' has green poison despite being a Japanese game, because [[PurpleIsTheNewBlack purple is already used for elemental darkness]].
206* ''VideoGame/{{Emergency}}'': Later games in the series are notable because anything that poses a contamination risk—including chemical, biological, and radiological contaminants—can be visible as a green cloud.
207* In ''VideoGame/{{Evolve}}'', the Gorgon's poisonous attacks glow a pale green.
208* ''Franchise/FinalFantasy'':
209** The"Poison" and "Toxin" status itself is usually shown in the form of green bubbles/green oozing stuff.
210** ''VideoGame/FinalFantasyII'': Venom magic is bright green at low levels and dark green at high levels.
211** ''VideoGame/FinalFantasyVII'': Not only are poison spells green, characters also glow green when poisoned.
212%%** ''VideoGame/FinalFantasyTacticsAdvance'': Bio spell.
213* ''VideoGame/FuryUnleashed'': Poison weapons and potions are vibrantly green, and cause the afflicted enemies to have a SicklyGreenGlow.
214* In ''VideoGame/GemCraft'' green gems are the poisonous ones.
215* In ''VideoGame/GemsOfWar'', poisoned units have their hearts counter turn green, while Diseased units have a greenish-purple cloud veiling their portrait.
216* ''VideoGame/{{Hades}}:'' The poison that Zagreus can be afflicted with in the Temple of Styx either comes from bright green darts, bright green goo, or bright green gas. Lampshaded by Hypnos if the poison kills you.
217--> '''Hypnos:''' Next time you'll know it's seriously deadly stuff, because it killed you! And because it's green!
218* The acid in ''VideoGame/ImpressiveTitle: Badlands'' always glows green.
219* In ''VideoGame/IntoTheBreach'', the A.C.I.D. is technically made of nanomachines, but it takes the form of green puddles or pools. Any entity walking into it (or shot by it) is covered in green liquid, and takes double damage from weapons, and negates any armor they might have. Interestingly, covering an enemy in A.C.I.D. alone doesn't make it take damage; they're just extra vulnerable to any other damage.
220* ''VideoGame/KingdomOfLoathing'' parodies the trope with the green BRICKO brick:
221-->This is a BRICKO brick shot through with deadly poison which has tainted it green. Because everybody knows that all poison is green. If you're ever wondering if something is poisoned, your first question should be "Is it green?" If it's not green, eat it, because you're totally safe. In fact, the whole reason Kings had food tasters in ancient days is because they were all colorblind.
222* In ''VideoGame/KingdomRush'', poison from either towers or enemies tends to be green. In ''Frontiers'', the Necromancers' tower attacks with green poisonous miasma and the hero [[{{Dracolich}} Boneheart]] has green, gaseous venom to use in various forms.
223* Feyrbrand the Green-Tusked Dragon from ''VideoGame/TheLegendOfDragoon'' is green and can spit a poisonous green goo from its belly. Furthermore, toxic stuff tends to be green-colored.
224* ''VideoGame/TheLegendOfSpyroDawnOfTheDragon'': Cynder's Poison element is a vivid lime green in color.
225* In ''VideoGame/{{Minecraft}}'', being poisoned turns your health bar a sickly green, and contracting food poisoning makes your hunger bar green. During both kinds of poisoning you also have green swirls appear around you.
226* ''VideoGame/NeopetsTheDarkestFaerie'': The poison is bright green.
227* ''VideoGame/OperenciaTheStolenSun'': Poisonous attacks are always very bright (almost whitish) green in color.
228* ''VideoGame/PerfectDark'': The nerve gas in Area51 is greenish in color.
229* ''VideoGame/{{Pikmin}}'' series:
230** ''VideoGame/Pikmin2001'': The Smoky Progg leaves a trail of green sludge that instantly kills any Pikmin that touches it. In ''VideoGame/Pikmin4'', it is recolored red (although the Progg itself remains green) and is referred to as "gloom," a special type of hazard that no Pikmin is immune to.
231** ''VideoGame/Pikmin4'': Poison has been redesigned from the purple it was in the last game to a deep green/teal color, and most enemies that spawn poison are given this color. This is likely to avoid any confusion with the pink Winged Pikmin co-existing in story mode, and the Purple Pikmin having been given a lighter design than what they had in the game poison hazards debuted.
232* ''VideoGame/RiskOfRain'' and its [[VideoGame/RiskOfRain2 sequel]] have Acrid, whose poison is always a bright green, as are the numbers that come out of enemies damaged by the poison. The Toxic Worm item from the first game also causes a green visual effect to whichever enemy it is damaging.
233* ''VideoGame/RuneScape'': Poison is bright green. Poison damage is represented by bright green splats, poisoned weapons turn bright green at their tips, and your Life Meter changes to a bright green color when you're poisoned.
234* ''VideoGame/Stinkoman20X6'': The poison dripping from "Tortan" (a bottle of poison) is bright lime-green in color.
235* ''VideoGame/SunsetOverdrive'': In the Old Factory District, a water storage place that also holds the start of Bomb Delivery 2 has "Don't drink glowing water! Toxic Wastes" painted in it.
236* ''VideoGame/TheSuffering'': {{Invoked|Trope}} by Hermes Haight, the ghost of a prison warden who was [[NightmareFetishist so obsessed with executions]] that he killed himself in the GasChamber. In death, the DeadlyGas he generates is a distinct green so his victims can see their death coming.
237* ''VideoGame/{{Terraria}}'': Weaker poisons are associated with green, and anything given the Poisoned debuff has a green tint. Even the Bezoar, which prevents being Poisoned, is green. Hardmode introduces a more deadly form of poison called Acid Venom that instead uses a stronger purple for its color.
238* ''VideoGame/TitanQuest'' consistently represents poison by a vibrant green color.
239* ''VideoGame/{{Ultima}}'': Throughout the series, the various color-coded potions do a variety of things, but the green potion is always poison, and a poisoned character's health bar turns green. Furthermore, some of the games had green swamps that would poison your character if you walked through them without special swamp boots (also green).
240* ''Franchise/{{Warcraft}}'':
241** ''VideoGame/WarcraftIII'': The plague cloud released by some Scourge units is green and intoxicates anyone nearby. The Venom Globe is bright green and Dryads can use green poisonous spears.
242** ''VideoGame/WorldOfWarcraft'': Most toxins are green.
243* ''VideoGame/XMenLegends'': In one of the games, if you level up Cyclops enough, he gets an upgrade that makes his beams radioactive, doing slow continual damage for some time after it lands. Naturally, this means the beam turns green.
244[[/folder]]
245
246[[folder:Webcomics]]
247* In ''Webcomic/TheOrderOfTheStick'', the poison [[spoiler:used by Daimyo Kubota to kill Therkla]] is green and features green bubbles from the victim. Later, the Strength-draining poison used on Vaarsuvius features green bubbles as well.
248[[/folder]]
249
250[[folder:Western Animation]]
251* ''WesternAnimation/TheBatman'': Lampshaded:
252-->'''Batgirl:''' Why is it deadly chemicals are always green? Why can't they ever be [[PinkMeansFeminine pink]]?
253* The OriginsEpisode of ''WesternAnimation/SamuraiJack'' has Jack's father using a green poison on a stationary blob of darkness that had been engulfing the land. [[NiceJobBreakingItHero He ends up making it sentient]], forming Aku, thus implicitly being the source of Aku's green face.
254* ''WesternAnimation/{{Wakfu}}'': [[AxeCrazy Psychopathic]] Sram assassin [[MeaningfulName Toxine]] from Season 3 is usually invisible or translucid, but she has bright green spots on her body, most notably on her [[BladeBelowTheShoulder wrist blades]] and heels. As she's quick to mention in her first appearance, her blades are highly poisonous.
255[[/folder]]
256
257[[folder:Other]]
258* A campaign called "Mr. Yuck" (or "Officer Ugg"), intended to teach young children about staying away from poisonous substances, had green stickers with a Mr. Yuck face for parents to put on containers to warn small children to not touch them.
259[[/folder]]
260
261[[folder:Real Life]]
262* Chlorine gas is a particularly noxious respiratory irritant that just so happens to be yellowish green in colour. It was the first substance used in chemical warfare in UsefulNotes/WorldWarI, though both deadlier and less easily detectable gases were used later on. It has often been accidentally released when household bleach gets mixed with acid. Including uric acid, which is why you should NEVER clean a toilet with bleach.
263* Scheele's Green, along with the chemically related Paris Green, gained notoriety for its toxicity - it was so beloved in the 1800's for its rich, lightfast tone that it was used to colour wallpaper, clothing, and even as ''food colouring''. Unfortunately, when Scheele's Green comes in contact with moisture - like sweat, saliva, or water - it emits [[DeadlyGas toxic arsenic gasses]], resulting in people being poisoned to death by their own homes and clothing. Once the link was established, its use was quickly banned, but some very old houses from the 1800's still have arsenic residue in their walls from wallpaper dyed this colour, and occasionally the odd dress from the era dyed with this compound is recovered. The substance was also said to be one of the factors that contributed to UsefulNotes/NapoleonBonaparte's death, by way of the wallpaper used in the St. Helena house where he was exiled. Paris Green would eventually find use as a rodenticide through the mid 20th century, until it was rendered obsolete by other pesticides.
264* Automotive antifreeze containing the toxic substance ethylene glycol was often dyed green (similarly, many modern long-life antifreezes may be colored yellow, orange, purple or pink to keep people from drinking them.)
265* Averted, though, by kiwi-flavoured syrup which is poison green (mainly dyed with chlorophyll) and perfectly drinkable, at least when mixed with water.
266[[/folder]]
267
268!!Other Colors
269
270[[folder:Anime and Manga]]
271* In ''Manga/{{Arachnid}}'' the villainous nurse Sasori enjoys [[EvilGloating taking some time]] to tell people who are at her mercy that [[ScaryScorpions a scorpion]] has three friends: [[TheParalyzer a yellow toxin for paralyzation]], a blue toxin to put them to sleep and a red toxin that quickly causes death. [[ColdBloodedTorture Unsurpri]][[LovesTheSoundOfScreaming singly]], the one she uses the most is the yellow one.
272* In ''Manga/FairyTail'', [[TheDragon Cobra's]] actual Dragon Slayer venom is dark red in color and more ''steaming'' than bubbling. Cuberios' poison too is showed to have this color, and yet its victims become purple instead as seen above. Invoked and subverted in the anime when Happy attacks some Edolas soldiers with a bag of white "Poisonous Mist", which is actually harmless flour.
273* In ''Manga/InuYasha'' during the fight against [[BattleCouple Juromaru and Kageromaru]], [[ActionGirl Sango]] uses a poison that turns the ground red in order to force Kageromaru to come out.
274* ''Manga/OnePiece'' has the dreaded [=MH5=] poison gas, which releases a white cloud of deadly poison. However, it is usually changed to the usual purple mist in the video games featuring [[CombatPragmatist Don Krieg]] as a playable character. Furthermore, Magellan's [[NamesToRunAwayFromReallyFast Venom Demon: Hell's Judgement]] is crimson-colored and releases foul smokes, giving the impression of being hot somehow.
275* In ''Anime/SaintSeiya'', [[EvilKnockoff Black Pegasus]]'s attacks are, in truth, poisonous, and will slowly kill the victim, covering his skin in growing black spots.
276* In ''Manga/{{Toriko}}'' Coco's skin turns red in the manga when he uses his poison, and early on, in the manga, he seemingly turns pitch-black with his best venom when confronted by Starjun's G.T. Robot.
277[[/folder]]
278
279[[folder:Films -- Live-Action]]
280* In ''Film/KillBill'', Creator/DarylHannah attempts to kill a comatose Creator/UmaThurman with a syringe full of cherry-red poison.
281* ''Film/PacificRim'': Kaiju Blue is a toxic chemical compound found in kaiju blood and tissue and released when their bodies decompose. Like it’s name suggests, it’s colored a vibrant Cherenkov blue, [[ShoutOut the color usually associated with Godzilla’s atomic breath]].
282[[/folder]]
283
284[[folder:Live-Action TV]]
285* ''Series/BetterOffTed'', in the episode ''Bioshuffle'': The plot is set in motion by a brownish liquid toxin leaking from a biocomputer that can also dissolve a desk as well as instantly ignite a tissue that touches it. This leads to the office being evacuated while the "contamination guys" deal with the problem in full hazmat suits.
286* ''Series/MacGyver1985'' episode "The Spoilers" starts with a tanker full of toxic waste which is hot pink.
287* ''Series/MissFishersMurderMysteries'': In "Death Do Us Part", the VictimOfTheWeek is poisoned by having his eyedrops dosed with polonium. Phryne and Jack find the dropped eyedrop bottle at night because it is glowing blue.
288* ''Series/StarTrekPicard'': The DeadlyGas Narek has chosen to kill Soji with is red.
289[[/folder]]
290
291[[folder:Tabletop Games]]
292* ''TabletopGame/KindredOfTheEast'', Kuei Jin users of the Bone Shintai can obtain a BreathWeapon taking the form of an incredibly corrosive cloud of black poison which rapidly erodes flesh and metal alike.
293[[/folder]]
294
295[[folder:Theatre]]
296* In the Mary Martin version of ''Theatre/{{Peter Pan|1954}}'', the pirates poison Pan's milk, turning it bright red. You'd think he'd notice something was up, but then it wouldn't set up Tinkerbell's heroic death.
297[[/folder]]
298
299[[folder:Video Games]]
300* In ''VideoGame/CommandAndConquerGenerals'' and the ExpansionPack, GLA anthrax is green, Anthrax beta is blue and Anthrax gamma is purple. Radiation meanwhile is orange.
301-->-- '''Dr Thrax''': "Do you enjoy seeing your men [[LampshadeHanging glow in the dark]]? Heh, heh, build more then!"
302* While most ''Franchise/TheElderScrolls'' games use classic green (as mentioned above), ''[[VideoGame/TheElderScrollsVSkyrim Skyrim]]'' is unique in that it utilizes color-coded poisons: pink for health poison, blue for magicka poison, and green for stamina poison. Poisons of any other type, such as weaknesses or ability drains, default to the bubblegum pink "health" bottle, as do similarly deviant potions, meaning the only way to tell them apart now is the shape of their bottles.
303* Bottles of Poison in ''VideoGame/{{Faxanadu}}'' are yellowish, as opposed to the more pink-colored Red Potions.
304* ''VideoGame/TheLegendOfDragoon'': Feyrbrand can also produce and shot blue poison (causes Fear) and grey poison (causes Stun).
305* In ''VideoGame/KillingFloor2'', green gas and Bloat bile are poison to you, blue gas is poison to zeds.
306* In the first three ''VideoGame/{{Onimusha}}'' games, there are some cases of yellow poisonous gases, especially in the [[VideoGame/Onimusha2SamuraisDestiny second game]].
307* ''VideoGame/Pikmin3'' uses either an inky black (for aquatic enemies) or a neon pink (for the Vehemoth Phosbat) to represent poison.
308* The CreepyCentipedes from ''VideoGame/AlteredBeast2005'' will attack by spitting globs of blue poison at you.
309* The "sludge" in ''VideoGame/{{Snipperclips}}'' tends to be bright pink or green. It's harmless to the player's shapes but other creatures don't like it very much...
310* In ''VideoGame/WorldOfWarcraft'', the Rogue can put poison on his weapons. There are many kinds of venom, including green as well as red and black.
311[[/folder]]
312
313[[folder:Visual Novels]]
314* In ''VisualNovel/TheGreatAceAttorney 2: Resolve'', during the chapter "The Clouded Kokoro", Olive Green has a large blue bottle that spills out a bright pink liquid when she accidentally knocks it over. [[spoiler:It's strychnine, and the cause of Shamspeare's poisoning. It was a test to see if he had been tampering with the coal gas pipes, since her fiancé died of gas poisoning. He had been, and still was with the new tenant, Soseki Natsume, but he only intended to frighten them into abandoning the room so he could find the treasure hidden there.]]
315[[/folder]]
316
317[[folder:Webcomics]]
318* In ''Webcomic/ChampionsOfFaraus'', Serpentus's venom is a cloudy, yellow colour.
319[[/folder]]
320
321[[folder:Western Animation]]
322* The many types of gases used by the vile borg, Noxious in ''WesternAnimation/SkysurferStrikeForce'' also come in many bright colors.
323* From ''WesternAnimation/{{Wakfu}}'', the Demon Roses created by the Shushu Djaul are encountered in Season 1 and one of them bites Amalia, poisoning her. According to Eva there are three types: purple, orange and red. The red ones have the strongest poison.
324[[/folder]]
325
326[[folder:Real Life]]
327* Aposematism refers to the phenomenon of animals sporting bright colors as a means of deterring would-be predators by suggesting that they carry deadly poisons (see many species of poisonous amphibians, such as poison dart frogs). Bright blue, in particular, is an appetite suppressor, as no foods humans consume are naturally that shade (blueberries are coloured indigo) — and things that are blue are usually toxic. Dietitians will advise people wishing to lose weight to eat on blue plates, for example. Purple, being close to blue in the spectrum, shares some of blue's appetite-averting effects.
328* Many venomous reptiles, unlike the frogs, zig-zag this. Some are brightly-colored, such as the red-yellow-black coral snake ("red touches yellow, kills a fellow") and the eyelash viper (just yellow, also kills a fellow). There are many snakes that are brightly colored and not venomous however (like those that mimic coral snakes) or dull-colored and venomous, like the brownish King Cobra and the dead-leaf-colored Gaboon viper.
329* In addition to the previously-mentioned purple iodine and green chlorine, the rest of the halogen elements are all instantly recognisable for their colour. Bromine is either a red-brown liquid or a bright orange gas, and fluorine, the most reactive of the lot that isn’t astatine (read on) is a very pale yellow gas. Iodine is bright purple, as noted above. Astatine would be black, but it's so radioactive that a sample large enough for us to see [[StuffBlowingUp would promptly explode in a nuclear fireball]]. Be careful with halogens, everyone.
330* Elemental sulfur is bright yellow when solid, bright red when melted, and blue as a high-temperature gas. It's also a very effective pesticide and quite flammable. Burning it with oxygen gives sulfur dioxide, however, which is highly toxic but colorless.
331* While red fuming nitric acid is definitely dangerous, its other prominent aspect is its extreme reactivity, which is why its name is basically ExactlyWhatItSaysOnTheTin; it’s bright red, emits clouds of nitrogen dioxide, and may bubble intensely while it’s boiling off the nitrogen dioxide gas. As rocket engineers in Germany and the Soviet Union found out, this compound is also quite useful as a component in rocket fuel, though much more efficient compounds have been discovered since.
332* Many chromium compounds are bright coloured (that's why this element is called so - 'chroma' means 'colour' in Greek). Hexavalent chromium compounds are bright red, orange, or yellow, and are very, ''very'' toxic and carcinogenic.
333* There are however many, many aversions, such as the snowy white highly lethal destroying angel mushroom, or lye crystals, the latter of which will cause severe burns on contact.
334* [[https://en.wikipedia.org/wiki/Trifluoronitrosomethane Trifluoronitrosomethane]] is a toxic gas with a characteristic deep blue color.

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