History Main / TechnicolorFire

* ''Fanfic/AllForLuz'': Luz's "Flamethrower" Quirk that were once orange/red in color before turn bright blue/white to denote how much hotter and more powerful the flames burn [[spoiler:after her "Quirk Awakening"]]. Although she can still turn it back to normal color by toning down the temperature.

* ''Literature/CodexAlera'': High Lords tend to light their swords on fire which burn in the same colors as their family crest. [[spoiler:Octavian]] is baffled as to ''how'' this works and can only make his sword burn with normal red flame[[note]] Which, appropriately enough, is one of his family's colors[[/note]]. [[spoiler:Kitai]] can do azure and purple and [[spoiler:the Vord Queen]]'s are bright green.

* ''Fanfic/{{Contraptionology}}'': When the Everfree Forest catches fire in ''Infernal Machines'', Twilight's narration describes it as burning with "a peculiar citrusy hue".
* ''Fanfic/HalfPastAdventure'': [[PlayingWithFire Huntress Wizard's magical flames]] are consistently green, as are [[spoiler: the flames she sees in a PropheticDream which resemble [[AncientEvil the lich's]] horns]].
* ''Fanfic/HorseshoesAndHandGrenades'': Kengo [[spoiler: or rather his brainwashed personality Apep]] fights with purple flames.
* ''Fanfic/PokeWars'': In ''Poké Wars: The Files of Doctor Kaminko'', some of the soldiers use the IW-229 "Houndoom" flamethrower to clear Mount Moon of Zubat. The flamethrower uses a highly toxic organoborane fuel that burns with brilliant green flames.
* ''Fanfic/SoulEaterTroubledSouls'' and ''Fanfic/SoulEaterZeta'' feature the Vladingham Family, a clan of individuals who are capable of producing and manipulating wavelength flames colored either blue or purplish-blue. This skill is called Soul Blaze, and it's [[InTheBlood an innate ability]].
* ''Fanfic/WithStringsAttached'': Blackfire is a sword that flames black.
* ''Fanfic/KaleidoscopeMHA'': Izuku's quirk is "Kaleidoscope fire", which in its base state is a multicolored fire that he uses to burn things, cause small explosions and throws as fireballs. It can also be separated into individual colors, with each one having its own unique ability. For example, green fire gives him SuperStrength, yellow gives him SuperSpeed, Pink gives him HealingHands, etc.

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* During Case 5 of ''VisualNovel/AceAttorneyInvestigations'', 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.
* ''VideoGame/Alien3SNES'' has three different flamethrower fuels: The starter red one, which produces an orange flame; the green one, which produces a more powerful green flame; and the blue one, which produces a blue flame and is the most potent weapon of the game.

* VideoGame/{{Fallout}} flamers emit the normal mix of yellow-orange flames, but the unique weapon Cleansing Flame from ''VideoGame/FalloutNewVegas'' emits a large stream of blue-white flames.

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* ''Franchise/AvatarTheLastAirbender'' / ''WesternAnimation/LegendOfKorra'':

* '''VideoGame/Alien3SNES'' has three different flamethrower fuels: The starter red one, which produces an orange flame; the green one, which produces a more powerful green flame; and the blue one, which produces a blue flame and is the most potent weapon of the game.

This is still TruthInTelevision: 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]]Flames can absorb light and cast shadows due to particles like soot in the flame, but even if there are enough to block light, the heat of the flame would make them visibly glow some color anyway. The colour would have to be something beyond indigo. Or [[http://en.wikipedia.org/wiki/Far_red far red.]] The former case doesn't happen as hotter objects go from glowing red to glowing blue, but never beyond that. The latter case, where the glow is far red, is not generally called a flame but smoke.[[/note]]