Technicolor Fire
aka: Technicolour Fire

Fire in Real Life is mostly a mix of reds, yellows, and oranges. In fiction, fire occasionally shows up as a different color, either to show that the fire is "unnatural", has different capabilities, or just plain Rule of Cool. Green and blue flames are the most common. A few common variants are when Ghosts and illusionists will usually create blue Faux Flames or when those Playing with Fire make their pyrokinesis distinctive by having it burn a different color.

This is Truth in Television: flames will appear blue if they reach high enough temperatures, and many pure elements burn in colors other than orange (copper, for example, burns green). The latter is a commonly used method of discovering the chemical composition of a substance (called a flame test). However, it should be noted that while fire can be made to burn most any color with the right chemicals, including colorless, a truly black flame (as opposed to a "black" flame that has a white core) is physically impossible.note 

Note that invisible (to the naked eye) flames are possible.

See also Fire Is Red.


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    Anime and Manga 
  • Kurei from Flame of Recca can create a pale blue flame, as opposed to Recca's normal-coloured fire. In the anime however, his flames are a light violet color.
  • Mahou Sensei Negima!: Negi Springfield in his Magia Erebia Armationem of Incendium Gehennae ("Hell's Conflagration"), a high-level fire- and darkness-based spell, glows with black flames; they apparently cause Mana Drain.
  • The legendary Amaterasu jutsu from Naruto summons a black flame that can burn anything and cannot be extinguished for seven days and seven nights.
  • In Shakugan no Shana, most powers manifest as flames, which have different color for every character, including silver, black, and rainbow. One character even has lightning as her "flame".
  • In the first episode of the second season of Code Geass the Britannian soldiers use purple flamethrowers in Babel Tower, apparently just to create an eerie atmosphere for Lelouch's ensuing awesomeness.
  • Shippo of Inuyasha can summon blue "foxfire" flames.
  • YuYu Hakusho: Hiei's Darkness Flame attacks are all composed of black fire.
  • In Katekyō Hitman Reborn!, the attribute of the flames (i.e. Sky, Storm, Clouds, etc) is indicated by their color.
  • Fairy Tail:
    • Totomaru, one of Phantom Lord's Element Four specialises in Rainbow Fire magic. This makes him able to make and manipulate different kinds of magical fire based on color. Natsu, who fought him at one point and who literally eats fire to recharge/enchance his fire-breating dragon powers said one color tasted cool and another smelled like crap.
    • Macao Conbolt from the Fairy Tail guild uses a kind of fire magic known as Purple Flare, which, as its name says, produces purple flames.
    • After the 7-year timeskip, it's revealed that Macao's son Romeo knows how to make not only purple flames, but also all sorts of other colors, and that he learned this from none other than Totomaru.
    • Zancrow on the other hand, uses Flame God Slayer magic. Like all God Slayer magic, the element he uses is black or at least dark in color and of a higher power than Natsu's. Natsu still manages to absorb his fire and use it with his own.
    • Jellal Fernandes is shown to be able to produce a yellow fire known as the Flame of Rebuke, which is powerful enough to initiate Dragon Force when given to Natsu.
    • God Serena, one of the Spriggan 12 of the Alvarez Empire, has eight Dragon Slayer lacrimas inside of his body. One of them is Purgatory Dragon Slayer Magic, which produces a kind of dark-colored flame which is implied to be extremely hot.
  • Rin in Blue Exorcist has blue fire that forms horns while he's in his demon form, and is pretty much surrounded by it as a demon. The color comes from him being the son of Satan.
    • Shima can summon a demon that uses black fire.
  • Digimon Adventure: Piyomon's green "Magical Fire" attack. Flavor text reveals that it literally is a magical fire - it's a psychic attack where the creature hit only feels the sensation of being burned, but isn't actually harmed physically. Other Digimon also provide examples, some more realistically-coloured than others, such as Garurumon, DeathMeramon and BlueMeramon (blue), Impmon, Belphemon and DarkLizarmon (black), Holydramon (white), and Coredramon and Cerberumon (green)
  • In One Piece, Ace has the standard red fire Logia Devil Fruit. A co-commander in the Whitebeard Pirates (Marco, the only one who outranks him) has a Phoenix Mythical Zoan Devil Fruit, allowing him to turn into a phoenix. Among other abilities, the notable one is being made of blue fire that allows him to heal a great deal of wounds on himself, referred to as the Blue Flames of Resurrection.
  • In Kaze no Stigma, the Kannagi are a family of fire users. Genma Kannagi, the father of the male protagonist, wields the blue Divine Flame, which is the most powerful of all flames. Whether this comes from the fact blue flame burns hotter than red and orange flame is unknown. Though white flame burns the hottest.
    • Ayano Kannagi can summon crimson Divine Flames. Plus, Genma, Ayano, and Ren's normal flame color is gold instead of normal orange flames.
  • Lunatic from Tiger & Bunny produces blue/green flames.
  • Azaka from Kara no Kyoukai generates multicolored flames that are a mix of various shades of blue, green, purple, white and red.
  • Gamma Akutabi from Zombie Powder has the Black Flames of Bloodlust.
  • In Sailor Moon Crystal, blue-green flames with strangely dark nimbuses light the sconces and torchieres of the villainous Dark Kingdom, and are at least partly responsible for its Unnaturally Blue Lighting.

    Comic Books 
  • Fire from the Justice League can control mystical green fire.
  • Likewise the DC sorceress Jinx can conjure green flames, and is shown in her very first appearance.
  • Snowflame from The New Guardians can make white flames thanks to his cocaine based powers (apparently cocaine is literal White Magic now).
  • The Mignolaverse comics B.P.R.D. and Lobster Johnson feature a suit of Powered Armor that can generate freaky blue-black flames (and is used by a succession of supervillains calling themselves The Black Flame). It's not really fire, though, but a cosmic energy called Vril Power that was used by the ancient Hyperborean civilization.
  • It turns out that Thomas Raymond didn't actually get his powers from a Superhuman Transfusion from the original Human Torch. His Inhuman heritage was just partially catalyzed and his powers allowed him to perfectly mimic the Playing with Fire abilities he witnessed. After having his heritage fully catalyzed by terrigen it turns out his power is actually chemical transmutation and his flames are now bright purple.
  • Supergirl's enemy Nightflame can magically conjure and control green flames.

    Fan Works 

    Films — Animated 
  • In Beowulf (2007), the presence of Grendel causes fires to turn blue.
  • Sleeping Beauty: Maleficent breathes greenish fire as a dragon.
  • Hades from Hercules has blue flames for hair, which turn red when angered. Originally reversed, an example of the artists doing their homework. Changed by the producers because the audience are morons and would be confused ("Why does he turn blue when he's mad? Shouldn't he stay red?")
  • The "Night on Bald Mountain" segment of Fantasia features blue, green, yellow and even magenta flames.
  • On The Prince of Egypt, the Burning Bush is depicted as pale pink flames. It also appears as more of an aural emanation rather than actual fire. This might be Shown Their Work since according to the story, the bush drew Moses' attention because it burned without being consumed.

    Films — Live-Action 
  • When Sam defeats the Samurai in Brazil, jets of pure red flame shoot out of its armor. In the Criterion Collection DVD Commentary, Terry Gilliam comments that the effects crew had a particularly hard time producing that color of fire.
  • Liz from the Hellboy film produces blue flames, which inexplicably change to orange in the second film.
  • Warlock (1989). When the title villain is nearby, ordinary fire becomes an eerie shade of blue.
  • Big Trouble in Little China opens with a police officer demanding to know what happened in the titular neighborhood from Egg Shen, because a building was reported to have been consumed by a "green" fireball.

  • In the Shannara series, witchfire is green.
  • Wildfire from A Song of Ice and Fire burns green.
  • Seen several times in Harry Potter:
  • The Name of the Wind has blue flame as one of the warning signs of the Chandrian — but also shows an Arcanist who can make candles burn blue by having it burn the proper materials, and later another who's built a whole collection of lamps in different colors in his quest to create a ever-burning one.
  • In The Night of Wishes, Beelzebub and Tyrannia create a bowl from cold green fire.
  • In the Guardians of Ga'Hoole book series, the ember of Hoole was different from the other volcanic embers because it burned with a green ring around the blue center.
  • In Lee Lightner's Warhammer 40,000 Space Wolf novel Wolf's Honour, on the shadow planet, the Thirteenth Company's fire burns blue. It also doesn't make any noise or give off any smoke.
  • In Robin Hobb's Royal Assassin, Chade chemically treats all the torches and firewood in Buckkeep Castle to make them burn blue. Since this is considered an evil omen and occurs during Regal's coronation, it causes a panic.
  • In Codex Alera, High Lords tend to light their swords on fire which burn in the same colors as their family crest. Octavian is baffled as to how this works and can only make his sword burn with normal red flamenote . Kitai can do azure and purple and the Vord Queen's are bright green.
  • In Neil Gaiman's Stardust, one witch recognizes the fire of another, because witches' fires burn strange colors.
  • In Robert E. Howard's Conan the Barbarian story "Red Nails" the candles' flames are not mentioned, but their smoke is green.
  • Septimus Heap: A BoneFyre has purple flames.
  • Gandalf often creates multicolored fire, especially in The Hobbit.
  • The Firebird Trilogy: The flames in Firebird's mind (It Makes Sense in Context) burn black, indicating the fact that they are a literalization of personal sin/evil.
  • Two minor Great Old Ones/Outer Gods from Cthulhu Mythos are Tulzscha and Aphoom-Zhah, who appear as "sickly green" and gray flames respectively. Both of them are freezing cold rather than burning hot, to further heighten their unnatural nature.
  • In The Chronicles of Thomas Covenant, Lords' Fire is blue; fire from the Illearth Stone is Green. Covenant's ring throws silver fire.
  • Dragons Lexicon Triumvirate:
    • The fire that Dennagon breathes is green.
    • Drekkenoth is made out of black fire.
  • Seers and sorcerers in Redwall often dance and chant while casting various powders into fires to burn in different colors, increasing the fear they cause in assembled mooks.

    Live-Action TV 
  • Heroes has two flamethrowers: Meredith with red fire, Flint with blue fire.
  • Breaking Bad has Walt do this in class for the pilot.
  • GARO Makai Knights wield Madou Lighters that can be any color from green, blue, red etc. They're primarily used to identify Horror-possessed humans and can also burn them.
  • In the various Star Trek series, plasma fires are a bright green. Episodes of Star Trek: The Next Generation and Star Trek: Enterprise used them as part of the plot, so there's plenty of visuals.
  • Game of Thrones:
    • The show has wildfire, an alchemically-produced analogue of Greek fire that burns bright green.
    • It later features blue fire breathed by Viserion as a Wight Dragon when he attacks the Wall.
  • Kamen Rider:
    • In Kamen Rider 555, when Orphnochs die, it involves blue flames (presumably relating to Hitodama Light) and their bodies crumbling to dust. Likewise, in Kamen Rider Kabuto, Worms die with green flames.
    • Kamen Rider Double: Kamen Rider Eternal generates blue flames for some of his special attacks, including his Rider Kick. His own Direct-to-Video movie dubbed this form "Blue Flare" and revealed that it's Eternal's true form, achieved because of Katsumi Daido's compatibility with the Eternal Memory, while past users could only manifest an incomplete "Red Flare" form.

  • Symbolic fire, but it still counts, sort of: In the One Republic song "Apologize", the singer once "loved with a fire red, now it's turning blue", to represent his love growing colder as a result of "you" wronging him.
    • Nevermind that blue fire is actually hotter.


    Tabletop Games 
  • Strange-coloured flames are sometimes associated with Chaos in Warhammer and Warhammer 40,000. Tzeench daemons often tend to lob iridescent flames at their enemies, and it's also one of the ways the "winds of chaos"-psychic power may manifest. In the 40k RTS series Dawn of War some chaos units such as the Defiler and Posessed Chaos Marines can shoot strange-looking pinkish flames.
    • It should be noted that in Warhammer, at least as far as the Flames of Tzeentch are concerned, each color also has a different (and horrible) effect on whatever poor sap gets hit by it.
  • In Magic: The Gathering, there is a specific card in the Future Sight expansion, Ghostfire, that is flavored as transparent (and therefore invisible) fire.
    • The MTG novel "Purifying Fire" has a white, cool fire that is actually a source of pure white mana.
  • Both versions of The World of Darkness mention sickly green Balefire. In the Old World of Darkness, it's is the Wyrm-corrupted form of elemental fire, and exists in the most tainted places on Earth and in the spirit world. Evil spirits and corrupted werewolves can use it as a weapon, which mutates and taints the victim in addition to horrifically burning them.. In the New World of Darkness, it's a trick to summon the fires of Hell that the Lucifuge can learn In the Blood.)
  • Exalted has this all over the place. Pyre-flame, the fire of the underworld, is a sickly green and behaves like a viscous liquid; Ligier, the Green Sun of Malfeas, is also...well, guess; and Fire-Aspected Terrestrials often have multi-colored animas.
  • Dungeons & Dragons has the ritual spell Rain of Colorless Fire (never given in stats). It utterly destroyed the Suel Imperium in the Greyhawk campaign setting.
    • The Faerie Fire spell can create a non-combustible fire of different colors. Always in D&D, at least two spells use a black fire made of necromantic energy. Both can burn creatures immune to normal fire, but only affect living.

    Video Games 
  • City of Heroes has colour-tintable fiery auras for costume options. Of course, actual game-mechanically-useful fire effects are always standard orangey-red. The exceptions are Plasma Shield, which is blue, and Healing Flames and Cauterize, which are green.
    • This has all changed with Issue 16, now you can recolor all of your powers however you like, including impossible black fire.
  • In Command & Conquer: Generals, the Chinese "black napalm" upgrade makes all flame-based weapons more powerful and colors them purple.
  • Disgaea has this in spades. Blue fire, green fire, purple fire, purple-and-yellow fire, gold fire, and black fire are all present, and that's only the top of the list.
  • The Eternal Flame in Drawn to Life can be whatever color you want it to be. This is because you're God.
  • The King of Fighters:
    • Aside from Kyo Kusanagi's "normal" red flames (more of an orange hue in-game), we have Iori's cursed purple flames, Ash's green flames and newcomer Nameless' blood-red flames.
    • Evil Ash uses black flames, which were originally going to be given to Orochi Chris as far back as in KOF '97 (since that didn't work too well when placed up against the dark backdrop of the Orochi Team's arena(s), Orochi Chris ended up with purple flames like Iori).
    • In Garou: Mark of the Wolves, Kain R. Heinlein wields blue flames (although, like Iori, they appear purple in-game), not unlike the flames Orochi is supposed to possess in KOF. However, he has no known connection to the Orochi clan, instead being Marie Heinlein's younger brother, making him Geese Howard's brother-in-law and Rock's uncle.
  • The flamethrower weapon in Jazz Jackrabbit 2 normally shoots normal orange fire, but its upgraded version shoots more powerful blue flames.
  • Breakable, heart-containing candles and torches in the various Castlevania games burn with a variety of colors.
  • Blue Fire from The Legend of Zelda: Ocarina of Time, which, naturally was cold fire used to melt the hot red ice.
    • Also, the four Poe sisters in the Forest Temple each have a different colored flame in their torches (which matches their eyes/hair).
    • In the ending sequence, a fire appears with all the sages signature colors, as if the graphics designer was showing off.
    • The Legend of Zelda: Oracle Games have the villains lighting up the three Flames of Sorrow, Destruction and Despair.
    • The four Champions in The Legend of Zelda: Breath of the Wild, as well as King Rhoam in his true form, appear surrounded by bluish-green hitodama lights.
  • In the Mortal Kombat series, one of Johnny Cage's signature moves is a green fireball.
  • Persona 4 has you summoning your Personas by breaking a card (as if it was made of glass or something) that is surrounded by blue flames. Also, higher level Mudo spells invoke giant runes on the floor surrounding the target as purple fire emerges from each corner of the invocation site. Hama spells create white flames, instead. The recurring phallus demon Mara also has a unique spell in Persona 3 named [[Pun Maralagidyne]], which is a higher level version of the fire spell Maragidyne which attacks enemies with green flames instead of red ones. The spell Megidolaon also creates a giant white-bluish fiery explosion.
  • Persona 5: Blue flames are a major visual motif throughout the game: In the opening minutes, an otherworldly blue flame can be seen in the distance once time stops as the protagonist arrives in Shibuya. Each protagonist bursts into blue flame when they first awaken to their Persona. And, the eponymous Persona Guardian Entities are now covered in blue flame when they are summoned.
  • Some of the rewards in the treasure trails in RuneScape are special lighters that can be used in normal logs to burn them and produce colored fire, as opposed to the normal orange fire. They do nothing else though, so they are just for looks.
    • If you do use one, though, you're guaranteed to light the log on fire on your first try.
  • Protoss buildings in Starcraft burn with a blue-white flame when damaged, which may be based on the fact that hydrogen burns with a blue flame.
  • Hadokens from Street Fighter. Normally, these appear to be blue-white balls of fire, but usually have no burning properties. However, with Super Street Fighter II, Capcom said "Sure, Why Not?" to a glitch that occasionally made a Hadoken come out red by giving Ryu a reddish fireball that did burn. Also, M.Bison (Dictator)'s Psycho Crusher is able to burn its victims with blue flames.
  • Super Mario Bros.:
    • In some games Luigi's fireballs are green to set them apart from Mario's red.
    • In Super Mario 64, the final fight with Bowser has him spewing blue flames that actively follow Mario around.
    • To emphasize the Shadow Queen's sheer demonic power before the final battle in Paper Mario: The Thousand-Year Door, every candle in the final boss chamber is put out during her summoning and spontaneously light again with black flames.
    • In Bowser's Inside Story, Dark Bowser is naturally associated with black and blue fire.
    • Dreamy Bowser in Mario & Luigi: Dream Team breathes rainbow coloured fire. Smoldergeists from the same game are on fire, and have purple flames.
  • In Valkyria Chronicles, the flamethrowers used by Elite Troopers spray blue flame, supposedly because the fuel is atomized Ragnite. The type of flamethrowers that inflict debuffs shoot purple flames instead. Also, the titular Valkyria are surrounded by an aura of blue flames when their powers are active.
  • In World of Warcraft, Fel (demonic) fire is usually green, shadowflame is a blackish-purple and void flames originating from the Sha are black.
  • Pokémon:
    • Many Dragon-type moves look like odd-colored fire; green, magenta, and even grey fire.
    • Sacred Fire, the signature move of Ho-Oh, was given a blue/purple color starting with Diamond and Pearl.
    • Likewise, Blue Flare, Reshiram's signature move, is colored blue as well. Interestingly, both Reshiram and Ho-Oh are tied for the highest base stat total of Fire-type Pokemon (Arceus with a Flame Plate excluded).
    • Mega Charizard X has blue fire burning from its mouth and tail.
    • A couple of Fire Pokémon's Shiny colors may naturally change their flames' colors as well. Ponyta gets a nice blue mane, its evolved form Rapidash has gray flames, Magcargo has a purple-and-yellow flame coming out of its shell; Magmar, Magmortar and Moltres are covered in pink fire, and Emboar sports a blue mane.
    • The entire Litwick line burns with purple flames. Their Shinies actually avert this by having orange fire.
  • During Case 5 of Ace Attorney Investigations, a special kind of oil which is used to make ink and lamps and that produces a green flame when lit, becomes important evidence as it was used to make counterfeit bills and cards from a smuggling ring leader that used them to send messages to his associates, and the green flame was the way they identified the cards as real.
  • In Team Fortress 2, when someone is on fire, the flames aren't different colored, but the BLU team has blue little effects around them to more easily show which team they are on and expose Spies.
    • There are many magic spells you can apply to items and weapons during Halloween, one of which naturally allows you to change the color of the Flamethrowers' fire.
  • In Final Fantasy XII, the Black Magic Spell "Ardor" is a late game fire element spell that produces giant explosive blue flames.
  • In Secret of Mana, there is a very powerful spell called "Burst", which produces fiery blue explosions. Oddly enough, it is not gained from the Elemental Spirit of fire, Salamander, but Dryad, the Tree/Nature Spirit.
  • Romancing Saga: Minstrel Song has a Fire elemental spell which shields the party with glowing blue flames.
  • Mega Man X2 features Flame Stag, who normally emits red flames, but they eventually become blue to show that he has Turned Red.
  • Uncharted 2: Among Thieves has resin that burns a brilliant blue. So brilliant, in fact, every other light source in the area immediately disappears for dramatic effect once the stuff ignites.
  • Terraria:
    • Cursed Flames and related items/debuffs are an insidious green, and cannot be extinguished by diving into water.
    • Wearing the Frost armor will add a Frostburn effect to your melee and ranged weapons, making them covered with blue Cold Flames.
    • The Goblin Summoner drops Shadowflame weapons, which have purple fire.
    • Peace Candles have pink flames, and Water Candles have blue flames.
    • You can also craft torches of many different colors using gems or one of a handful of other ingredients, and Demon Torches can be found in the Underworld.
  • When the necromancer is chosen on the character selection screen in Diablo II, he will create an illusion of blue fire around himself.
  • Metroplexity uses green fire for many Etheric attacks, especially those associated with The Herald Of Fire.
  • In the fire-themed segment of Rhiannon: Curse of the Four Branches, you must gather chemicals which, when tossed into a fire, will cause sparks of various colors to appear.
  • Fallout flamers emit the normal mix of yellow-orange flames, but the unique weapon Cleansing Flame from Fallout: New Vegas emits a large stream of blue-white flames.
  • The Quest for Glory series:
  • In The Nightmare Before Christmas: The Pumpkin King, a Prequel to The Nightmare Before Christmas, the second boss is a giant snake that exhales purple flame as one of its attacks.
  • Dark Souls: The Bonus Boss of the first game, Black Dragon Kalameet, breathes black flames with a yellow outline. In the third game, several dark pyromancy spells produce black flames as well.
  • The Meteor Goliath in Evolve has bright blue fire. Looks cool in a fight, not so useful for sneaking.
  • Monster Hunter: World: Lunastra's fire attacks leave behind trails of blue flames.


    Web Original 

    Western Animation 
  • Avatar: The Last Airbender:
    • Blue fire signifies a higher firebending power, though so far only Azula had been demonstrated using it. This could actually be a case of Shown Their Work, because the hotter parts of a regular fire are, you guessed it, blue.
    • The dragons that have appeared seem to be able to produce flames of all the colors.
    • Long Feng's office has a fireplace with crystals burning with green flames.
    • In The Legend of Korra, a fire sage uses a firebending technique akin to healing, after Korra has been rendered amnesiac and weak by a dark spirit possession. It glows with a white and gold light, noticeably far more bright than the usual flames seen in either series.
  • Danny Phantom:
    • Skulker's "hair" (On his techno-exosuit. His actual form is bald) has flaming green hair.
    • Likewise, Dan Phantom( Danny's evil future self) has a white fire for hair as well.
    • There's also Ember McClain's blue flaming hair.
    • And what passes for the DP equivalent of Pandora has pink flame hair. It's pretty safe to say nearly half the ghouls you see in the series has colorful fiery hair.
  • On Jimmy Two-Shoes, the Misery Inc. factory spews green fire.
  • G.I. Joe: Renegades features Firefly, whose incendiary bombs explode and burn with blue flame, but then turn orange after a moment. As with the firebending examples above, this could be a case of Shown Their Work.
  • Spike from My Little Pony: Friendship Is Magic shoots green fire. Granted, while said fire is normally used as a magical scroll delivery service, in many episodes it was also shown burning objects like regular fire. In "Equestria Games", Spike was capable of breathing the more traditional orange fire, which was hot enough to melt a massive body of ice in a few seconds.
  • In Godzilla: The Series, Godzilla's atomic heat ray appears visually to be a stream of green fire, as opposed to the usual Godzilla color of blue (though the revived Cyber-Godzilla gets this color)

    Real Life 
  • Wal-Mart sells a powder called Funky Flames that will do this. If you throw a packet of it in your fire, it'll turn the flames blue/green/purple. It's great at campouts.
  • There are also pine cones sold that turn your fire a variety of colors.
  • Duralogs burn green.
  • Gas stoves and Bunsen burners draw in extra oxygen via tubes around the base of the flames. This makes the fire burn more efficiently with less soot, which means that the amount of heat glow (or, more correctly, blackbody radiation) emitted by the flame is less, and the blue light from the chemical reactions going on in the flame is brighter. A common misconception is that the blue color comes directly from the increased heat of the flame. While it is true that the flame is hotter, it isn't hot enough to emit blue light simply from heat glow, which would require temperatures in excess of 10,000 Kelvin.
  • Those blowtorch cigarette lighters with a thin little copper wire that turns the flame green.
  • Chemistry teachers will often perform this trick in a lab, to teach students about the structure of atoms and what happens if you get their electrons all excited (in Layman's Terms, the electrons basically start jumping up and down, releasing photons of the appropriate color).
    • Years of fascinated students chucking various chemicals into the top and base of a Bunsen can cause it to be discolored for years. Most commonly it's green from all the copper compounds (copper being the most readily available impressive color-burning ion available in most chemistry experiments).
    • Potassium, whose flames are purple.
    • Copper burns green.
    • Magnesium burns a dazzling white.
    • Fireworks make use of this principle to produce their colors.
  • Some flames seen in a forge will be pink. These are the hottest. I guess you could say they're hot pink?
  • Boric acid is a fairly easy and non-toxic way of producing green fire.
  • As noted above some Rocket ships burn so bright that part of the flame appears to be invisible due it emitting ultraviolet light which can not be seen by a human eye.
  • Fuel used by Formula One racing cars also has a chance to burn invisibly. This has proven tragic in some cases where racers, such as Niki Lauda, had accidents and where burning alive yet nobody notices that they are in fact on fire. Lauda barely survived but ended up disfigured for the rest of his life.
  • Fireworks, for a given value of 'fire'.

Alternative Title(s): Technicolour Fire, Multicolored Fire