History Main / SicklyGreenGlow

* Blue Cherenkov radiation happens naturally in underwater nuclear reactors and has been observed at the site of nuclear accidents, such as the UsefulNotes/{{Chernobyl}} disaster, and the 1946 laboratory accident that killed Louis Slotin.
* [[https://en.wikipedia.org/wiki/Einsteinium Einsteinium]], a synthetic element, fissions so energetically[[note]]about 1 kilowatt ''per gram''[[/note]] that it glows blue.

* ''WesternAnimation/TotalDrama'':

* Izzy gets one after jumping in a box marked 'radioactive' in ''WesternAnimation/TotalDrama''. She then complains to [[OnlySaneMan Noah]] that there wasn't a radio in the box at all.

* The Mace of Molag Bal in ''VideoGame/TheElderScrollsVSkyrim'' has a sickly green glow when drawn. If that wasn't enough to convince you that it's an ObviouslyEvil weapon, it's also [[SpikesOfVillainy spiky]] and has a ''demonic face'' [[RedEyesTakeWarning with glowing red eyes]] adorning it. Guards will freak out if you carry the Mace and demand that you get away from them.* [[EldritchAbomination Xel'lotath]] and her minions in ''VideoGame/EternalDarkness''; although technically all the three major gods are {{Eldritch Abomination}}s, she can be best described as the [[MadGod Goddess of Insanity]].

* If you ever see the sky develop a yellowish-greenish tint, you should find shelter ASAP. It's a warning sign that a severe thunderstorm (and possibly a tornado) is on its way.

SisterTrope to EmeraldPower. See also GoodColorsEvilColors, TechnicolorToxin, ColourCodedForYourConvenience, GreenIsGross and GreenAndMean. Contrast BioluminescenceIsCool. Often seen in SlimeSnailsAndMutantTails.

** The Guardians, glowing green EnergyBeings, play this trope straight, being the most dangerous enemy type game and definitely something you should stay very far away from.

* In ''VideoGame/NuclearThrone'', your character gains this after taking the Gamma Guts mutation.

* [[EldritchAbomination Xel'lotath]] and her minions in ''VideoGame/EternalDarkness''; although technically all the three major gods are {{Eldritch Abomination}}s, she can be best described as the [[MadGod Goddess of Insanity]].

* The Necrons in ''TabletopGame/{{Warhammer 40000}}'' have a sickly green glow to everything from their weapons to their vehicles to their artifacts. While recent reworks to their character expanded the range of colors they can glow ominously with, greenish “corpse-light” remains their visual benchmark, used by the majority of their dynasties.
* Warpstone in ''TabletopGame/{{Warhammer}}'' is a glowing green hunk of insanely destructive pure magic. This being Warhammer, it is of course insanely dangerous and destructive, capable of rendering entire towns permanently uninhabitable.

* The Martian Menace in ''TabletopGame/{{Monsterpocalypse}}''.

* In the modern version of the ''TabletopGame/ArkhamHorror'' board game, the Color Out of Space, which in the original story was a color never seen on Earth, is pictured as a glowing green.

* Wherever there are demons in ''VideoGame/WorldOfWarcraft'', there's usually green-burning 'Fel Fire'.
** [[MemeticMutation Except for Warlock spells]].
*** Which was Averted with ''Mists Of Pandaria'', which adds a HarderThanHard (at the time of release, at least) quest chain that turns all warlock fire spells green as a sign of prestige among the class.
** Similarly, the Scourge used to have the same glow as demons when they were still servants of the Burning Legion. After they became independent, they adopted a new blue white scheme. The color of their embalming ichor remains unchanged however.
** Also, the plague created by the Forsaken is green (the Scourge one is mostly orange, though they continue to use green glow at times).
** When they started resorting to Fel magic, the Blood Elves' eyes changed from blueish white to fel green.
* ''VideoGame/TronTwoPointOh''. Anything "corrupted" in the virtual world glows a sickly greenish-yellow.
* Ditto with SpiritualSuccessor Abraxas and ''his'' viral outbreak in VideoGame/TronEvolution
* In ''VideoGame/SamuraiShodown'', Zankuro glows green when first introduced in the third game; also, several of his attacks have a green glow or make him glow green.
* In ''VideoGame/TheKingOfFighters'', Rugal's (KOF '98 and after) "Dark Barrier" is green, and one of his Desperation Moves has him producing green flames. Also, Ash Crimson fights using green flames.
* Tiberium crystals in ''VideoGame/CommandAndConquer'' are green and give off toxic green gas. (Later, other forms are different colours).
** In ''VideoGame/CommandAndConquerRedAlert2'' radiation is green.
** In the ''VideoGame/CommandAndConquerGenerals'' series Anthrax is a green gas so you know not to move your units into it. After you upgrade to extra-nasty Anthrax Beta, it's blue. You can also upgrade it to Anthrax Gamma, which is pale pink, on the ''Zero Hour'' ExpansionPack when playing as Dr. Thrax. Radiation, on the other hand, is orange.
* In ''VideoGame/{{Geneforge}}'', the [[ArtifactOfDoom canisters]] are filled with a green glowing substance.
* The background nebulae in ''VideoGame/{{Freelancer}}'' have all a dominant color depending on where you are. Liberty's backgrounds are orange and dark blue, Bretonia's are purple and orange, Kusari's are turquoise, Rheinland's are orange with a little bit of green, while the Border Worlds' usually incorporate some white. The Edge Worlds, meanwhile, are barren, crime-ridden places where you get to fight the real enemy; coincidentally, ''all'' of them have gas clouds and backgrounds colored sickly green.
* Radiation from nuclear strikes in ''VideoGame/{{DEFCON}}'' glows green, though you change the colour if you wish.
* Radioactive material in ''VideoGame/HalfLife'' is florescent green liquid.
* Mako energy in ''VideoGame/FinalFantasyVII''.
* In ''VideoGame/GadgetPastAsFuture'', the [[MagicMeteor meteoric ore]] used in the Empire's machines gives this off when activated. One notable example of this occurs when the player uses the [[MindControlDevice Sensorama]], which bathes them in green light and beams strange imagery into their brain. Since you end up repeatedly exposed to this ore throughout the game, it's never made clear how much of the game's events were real, and which were ore-induced hallucinations.
* In ''VideoGame/MaxPayne'', the designer drug Valkyr glows sickly green. And DrugsAreBad, [[AndThatsTerrible in case you didn't know]].
* ''[[{{Creator/Nitrome}} Parasite]]'' applies this to the [[GlowingEyesOfDoom eyes]] and [[{{Phlegmings}} drool]] of creatures subjected to MindControl.
* In ''VideoGame/{{Overlord}}'', your weapon gains a bright green flame when you infuse it with enough Minions.
* Emperor Doel's castle in ''VideoGame/TheLegendOfDragoon'' has a sickly green glow on the inside due to all the green magical fire lighting up the place.

* The GES [=BioRifle=] in the ''VideoGame/{{Unreal}}'' series fires globs of green sludge[[labelnote:+]]hence the GES acronym: it stands for Green Exploding Shit[[/labelnote]], which lingers on the ground until fading or activated by another player. [[VideoGame/UnrealI The first game]] explicitly mentions that it's waste from refining Tarydium crystals.
* ''VideoGame/{{Starcraft}}'': No matter what color the rest of your units are, the Zerg Spawning Pool is always green.
* The very useful and very ToxicPhlebotinum Kojima Particle that turns your mech into a WalkingWasteland in ''VideoGame/ArmoredCore 4/for Answer'' is very much a sickly shade of transparent light green.
* The Mace of Molag Bal in ''VideoGame/TheElderScrollsVSkyrim'' has a sickly green glow when drawn. If that wasn't enough to convince you that it's an ObviouslyEvil weapon, it's also [[SpikesOfVillainy spiky]] and has a ''demonic face'' [[RedEyesTakeWarning with glowing red eyes]] adorning it. Guards will freak out if you carry the Mace and demand that you get away from them.
* ''VideoGame/BatmanArkhamAsylum'': Anyone injected with Titan develops eerie glowing green eyes. Then they turn into hulking ogre-like monsters with an ample supply of BodyHorror.
* Inverted in the Synthesis ending of ''VideoGame/MassEffect3'', [[spoiler:with the green glow actually being an instant {{transhuman}} upgrade, and Reapers that are glowing green are [[HeelFaceTurn considerably more helpful]] than they were before they started glowing green.]]
* In ''VideoGame/DisneyPrincessEnchantedJourney'', the Bogs' magic is like this, as is Zara's.

* ''VideoGame/CivilizationBeyondEarth'' features Xenomass, a harvest-able resource that the Harmony affinity specializes in, glows green. Miasma, a DeadlyGas found across the landscape that damages human forces and prevents resource extraction, also glows green. And, of course, there are cylinders of glowing green stuff on Harmony tanks (which is believed to be either Xenomass or Miasma).

* The Gorgon of ''Videogame/{{Evolve}}'' has a pale green, almost yellow, armor glow. Out of all the monsters it is the most abhorrent, spraying acid, poison, and webs.
* In ''VideoGame/TinkerQuarry'', each toy has an Essence, which is like their own, specialized soul. [[TragicVillain Sera]]'s Essence, Fear, resembles a green, glowing crying face.
* In the ''VideoGame/{{STALKER}}}'' trilogy, the Fruit Punch anomalies are green puddles of highly reactive liquid chemical that flash a pale green light when triggered. In later games, the Gas anomalies tint the player's screen green. Radiation, on the other hand, is noticeably black-and-white or sepia in high quantities (such as standing next to a Pseudogiant in ''Call of Pripyat'').

* In ''VideoGame/TheDarksideDetective'', denizens of the Darkside are translucent and glow an eerie green.
* Illaoi in ''VideoGame/LeagueofLegends'' is associated with a green glow - her splash art shows her with glowing green eyes and summoning green tentacles. She's not so much evil as she is a priestess of a god who veers uncomfortably close to being an EldritchAbomination, and has a philosophy that approaches BlueAndOrangeMorality. There are also a variety of sinister power sources that glow: chemtech is green, undeath is associated with a ghostly blue shade, and the Void tends to be purple.

* The Infernal Supernatural powerset in ''VideoGame/ChampionsOnline'' tends toward a bright sickly green, both due to this trope and due to it being the primary "poisonous" powerset in the game.
* ''VideoGame/BodyHarvest'': The Bugs' teleporter technology appears as a toxic green cloud before their forces rematerialize.
* In ''VideoGame/YokusIslandExpress'', those attacked by the God Slayer have distinct green slash marks wherever they've been wounded. Only defeating the God Slayer will cause those wounds to stop glowing and allow the victim to recover.
* ''VideoGame/RiskOfRain'' and its [[VideoGame/RiskOfRain2 sequel]] have Acrid, a PoisonousPerson whose [[TechnicolorToxin poisons]] are all bright green. In the second game, his poison also literally glows.
** The sequel has Malachite enemies, which stop anyone they damage from being able to regenerate health and are a blackish-green color.
** N'kuhana, a death goddess and generally sinister figure worshiped by a ReligionOfEvil, is associated with green. N'kuhana's Opinion is green and black and causes the player to shoot out flaming green skulls, and malachite elites will rarely drop an item called N'kuhana's Retort, which is green and causes the player to have the same abilities as malachite elites. The altar to N'kuhana hidden in the [[spoiler: Wetlands Aspect]] is also filled with green light.

* The Loud G-Stone used by the Sol 11 Masters in ''Anime/GaoGaiGarFINAL'' glowed the same color as the normal G-Stone, but displayed an upside-down G symbol when active. But then, ''real'' power in ''GGG'' was orange (THE POWER, Genesic Aura), though it was always the G-Stone that did the job in the end, thanks to its [[MetaphysicalFuel theoretically infinite energy output]].
* In ''Manga/ShamanKing'', DeadlyDoctor Faust VIII's mana is a sickly yellow-green color. Later subverted because for Faust, [[DefeatMeansFriendship victory means friendship]].
* In ''Anime/BlackRockShooter'', Deadmaster often has this. This combined with her skeletal robot minions and skull motif often has fans making [[TabletopGame/{{Warhammer 40000}} Necron]] jokes.
* The rock entities created by [[spoiler:Quartzmon]] in ''Anime/DigimonXrosWarsTheYoungHuntersWhoLeaptThroughTime'' glow pale green, as does everything that [[spoiler:Quartzmon]] converts to data.
* In ''Manga/FairyTail'', the leader of the dark guild Oracion Seis, Brain[[spoiler:/[[SuperPoweredEvilSide Zero]]]], has both a BattleAura that's a noticeable dark-green color and uses [[CastingAShadow Darkness spells]] that glow an eerie green, with characters commenting they feel nauseous just being near it.
In ''Anime/TransformersEnergon'', the Decepticon's Energon is radioactive green, and characters who are possessed by Unicron have [[GlowingEyesOfDoom glowing green eyes]].

* ''Anime/AgnisPhilosophy'': The PsychoSerum that gets injected into the hyenas.

* In the stories of Franchise/{{Superman}}, Comicbook/{{Supergirl}}, Comicbook/{{Superboy}}... and other members of the Super-Family, Kryptonite glows green in its most common - and most directly toxic - form.
* Necroplasm in ''ComicBook/{{Spawn}}'' is the Hellspawn's weapon and source of power, and glows a bright sickly green.
* ComicBook/IncredibleHulk: On a few occasions the Hulk has become so angry that he glowed with gamma energy.

* The mind control pills in ''Fanfic/TroubleIsland'' produce green glows.

* The Characters from the Book of Characters in ''Fanfic/TheKeysStandAlone: The Soft World''. Also the book they emanate from.

* In Creator/StephenKing's novel ''Literature/TheTommyknockers'', the alien power has a green glow.

* In ''Literature/{{Gone}}'', by Michael Grant, this trope is both played straight and averted: The radioactivity in the underwater cave is bright green, while the nuclear reactor is bright blue.
* In ''Literature/TheGreenFuturesOfTycho'' by Creator/WilliamSleator, the main character (11 year old Tycho) travels repeatedly in time, constantly altering the primary timeline. The time travel device (an egg-shaped object) becomes more green-glowing as he uses it, as does the future. First just in the color of the house paint, later there's green liquid-like shapes as furniture or structural additions to the house, glowing sickly green. The older versions of the main character gets more evil (and evil looking) as the "greenage" increases thus closely adhering to this trope.
* In the ''Literature/WarriorCats'' series, the Dark Forest (which is basically a feline Hell) is described as being completely dark except for a sickly green light.

* ''Literature/TheLordOfTheRings'': The Barrow-Wights. The Dead Marshes. Minas Morgul. In short, anything associated with the undead.
* Shoggoths in ''Creator/HPLovecraft'''s ''Literature/AtTheMountainsOfMadness'' are described as enormous black masses of protoplasmic bubbles covered in luminescent green eyes that are constantly forming, shifting around and dissolving.
* More like a Sickly ''Blue'' Glow in ''Literature/StarCarrier: Earth Strike'', courtesy of an OrbitalBombardment leaving the area surrounding a SpaceMarine base so irradiated it's giving off Cherenkov radiation.

* ''Literature/TheCallOfCthulhu'': From Wilcox's dream, green ooze of horror:
--> great Cyclopean cities of Titan blocks and sky-flung monoliths, all dripping with green ooze and sinister with latent horror.

** There was only one company where workers painting the Radium dials developed said condition, as was they were the only corporation cruel enough to encourage their workers to shape the brush with their mouths. All other Radium painting corps provided special cups for shaping the brushes.

* ** There is a sort of colored glass, named "uranium glass" because it is tinted with uranium salts, which was extremely popular in the beginning of the 20th century. This was the primary use of uranium before its role in nuclear applications became more prominent. [[note]]Uranium's existence was posited in 1789, and pure uranium was isolated in 1841. Uranium minerals were well known in antiquity: ceramic glazes and glass containing small amounts of uranium oxide as a coloring agent have been found in Roman ruins dating back to the first century CE.[[/note]] It can be yellow to green or even blue, depending on the actual tinting composition, and is often smoky or opaque, but invariably glows neon green under UV light, including direct sunlight, which is probably how the color became associated with radioactivity. Although it's no longer made due to uranium becoming significantly hard to come across thanks to most supplies of the element being diverted to governments solely [[ILoveNuclearPower for fuel]] or [[AtomicHate for weapons]], pieces of glasswork laced with the metal are now quite valuable collector's items. Most of them date from the 1930s at the latest.

* Glass made with uranium is an eerie fluorescent green, which is probably how the color became associated with radioactivity. Although it's no longer made due to uranium becoming significantly hard to come across thanks to most supplies of the element being diverted to governments solely [[ILoveNuclearPower for fuel]] or [[AtomicHate for weapons]], pieces of glasswork laced with the metal are now quite valuable collector's items. Most of them date from the 1930s at the latest.

* There was only one company where workers painting the Radium dials developed said condition, as was they were the only corporation cruel enough to encourage their workers to shape the brush with their mouths. All other Radium painting corps provided special cups for shaping the brushes.

** There is a sort of colored glass, named "uranium glass" because it is tinted with uranium salts, which was extremely popular in the beginning of the 20th century. This was the primary use of uranium before its role in nuclear applications became more prominent. [[note]]Uranium's existence was posited in 1789, and pure uranium was isolated in 1841. Uranium minerals were well known in antiquity: ceramic glazes and glass containing small amounts of uranium oxide as a coloring agent have been found in Roman ruins dating back to the first century CE.[[/note]] It can be yellow to green or even blue, depending on the actual tinting composition, and is often smoky or opaque, but invariably glows neon green under UV light, including direct sunlight.

** There was only one company where workers painting the Radium dials developed said condition, as was they were the only corporation cruel enough to encourage their workers to shape the brush with their mouths. All other Radium painting corps provided special cups for shaping the brushes.

* ''ComicBook/WonderWoman1942'': The Green Geni's nuclear projectiles have lines of green radiating from them.

* The rock entities created by [[spoiler:Quartzmon]] in ''Anime/DigimonXrosWarsTheYoungHuntersLeapingThroughTime'' glow pale green, as does everything that [[spoiler:Quartzmon]] converts to data.

See also GoodColorsEvilColors, TechnicolorToxin, EmeraldPower, ColourCodedForYourConvenience, GreenIsGross and GreenAndMean. Contrast BioluminescenceIsCool. Often seen in SlimeSnailsAndMutantTails.

* [[http://www.girlgeniusonline.com/comic.php?date=20060707 The Green Glowy Things]] chapter from ''Webcomic/GirlGenius''.

* The titular artifact of ''Film/TheMask'' sometimes emits a green glow but thankfully when it’s in the right hands it is not evil when main character uses it and The Mask persona that comes out is a good hearted, harmless, kind hearted person and a troll but when it’s ends up in the hands of the {{Big Bad}} the results are not pretty.

* The titular artifact of ''Film/TheMask'' sometimes emits a green glow.