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* Any plant or animal that is lavishly colored is often a warning sign that it is highly venomous, poisonous, or dangerous in some other way and thus should not be messed with. The most infamous example being the Poison Dart Frog. Their colors may look pretty, but it's only to warn other predators that they'll be the last meal they'll ever eat.
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*** Chipsy, the Egyptian version of Lay's, has red for "Salt" (the "classic" flavor) and dark blue for Salt & Vinegar. Yellow is taken by the cheese flavor (replicating [[http://en.wikipedia.org/wiki/Roumy_cheese Roumy cheese]], the most popular flavor in Egypt), with a lighter yellow for "spiced cheese" (same, [[ExactlyWhatItSaysOnTheTin with spices]]). Also, barbecue flavor is replaced with charcoal-grilled kebab (but still in the black package).

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*** Chipsy, the Egyptian version of Lay's, has red for "Salt" (the "classic" flavor) and flavor), dark blue for Salt & Vinegar.Vinegar, and light blue for "tomato" (really ketchup). Yellow is taken by the cheese flavor (replicating [[http://en.wikipedia.org/wiki/Roumy_cheese Roumy cheese]], the most popular flavor in Egypt), with a lighter yellow for "spiced cheese" (same, [[ExactlyWhatItSaysOnTheTin with spices]]). Also, barbecue flavor is replaced with charcoal-grilled kebab (but still in the black package).
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*** Chipsy, the Egyptian version of Lay's, has red for "Salt" (the "classic" flavor) and dark blue for Salt & Vinegar. Yellow is taken by the cheese flavor (replicating [[http://en.wikipedia.org/wiki/Roumy_cheese Roumy cheese]], the most popular flavor in Egypt), with a lighter yellow for "spiced cheese" (same, [[ExactlyWhatItSaysOnTheTin with spices]]).

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*** Chipsy, the Egyptian version of Lay's, has red for "Salt" (the "classic" flavor) and dark blue for Salt & Vinegar. Yellow is taken by the cheese flavor (replicating [[http://en.wikipedia.org/wiki/Roumy_cheese Roumy cheese]], the most popular flavor in Egypt), with a lighter yellow for "spiced cheese" (same, [[ExactlyWhatItSaysOnTheTin with spices]]). Also, barbecue flavor is replaced with charcoal-grilled kebab (but still in the black package).

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* Many [[GangBangers street gangs]] have one or more colors associated with that particular gang. For example, the Crips are blue and black and the Bloods are red and black. Civilians inadvertently wearing a rival gang's colors can get mistaken as enemies, though it's more often used as a pretext for gang members to hassle and brutalize random people.

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* Many [[GangBangers street gangs]] have one or more colors associated with that particular gang. For example, the Crips are blue Blue is used by Crips, La Eme/Sureños and black and the Gangster Disciples (and theirFolk Nation affiliate gangs), while red is used by Bloods are red and black. Civilians inadvertently wearing Nuestra Familia/Norteños. Yellow is used primarily by Latin Kings. Wearing a rival gang's colors even as a civillian can get mistaken be dangerous in active neighborhoods, and many schools in areas with a strong gang presence mandate neutral colors in their dress code.
** Grape Street Watts Crips use purple
as enemies, though it's more often a symbol of their once truce between bloods and crips in the area. Other small Blood and Crip sets have their own local colors used as a pretext for gang members to hassle alongside the main colors, including Black and brutalize random people. Yelow, and Brown used by some Long Beach Crip sets, and Green used by some Blood sets.


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* Football hooligans often don't wear their team gear when engaged in hooligan activity, partly to protect the team's image and partly to make it harder for police to pick them out. They do however favor clothes in similar colors to their team color. In case of the Old Firm in Glasgow, Celtic fans often dress in olive green and Rangers fans in navy blue.
* In Punk and Skinhead subcultures, wearing combat boots with colored laces have their own codes, which are often regional. Black laces tend to be the neutral color.
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* In Indonesia, gas stations operated by Pertamina, the state-owned gas company, use an elaborate color-coding system on their nozzles for their pumps. Premium, the lowest grade gasoline and phased out in 2021, uses yellow, Pertalite uses white, Pertamax uses blue, Pertamax Green uses purple and green, and Pertamax Plus and Pertamax Turbo use red, though the former had been discontinued in 2017. Meanwhile, the fuels for diesel engines (Biosolar, Dexlite, and Pertamina Dex) use various shades of green on their nozzles. This also extends to the dyes used on the gasoline fuels, though Pertalite uses bright green instead of white.


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* State-owned public schools and Islamic schools (''Madrasah'') students in Indonesia wear white shirt with color-coded tie and pants or skirts. Elementary students wear red, junior high students wear navy blue, and senior high students wear bluish grey.
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* In Poland, hiking and biking trails. Hiking trails are always black, yellow, red, green or blue, while biking ones get more varied colors, like purple (and a bicycle symbol above the colored part of the sign).
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The golden wattle is not just any local plant, it's the national flower. Also, it's green and gold, not green and yellow.


** For examples that aren't in the flag: the Netherlands are orange after the royal family (the House of Orange), Italy blue for its former royal family (House of Savoy), Germany uses the Prussian white harkening from imperial days (the House of Hohenzollern), Australia use [[https://en.wikipedia.org/wiki/National_colours_of_Australia green and yellow after a local plant]], New Zealand have black following Maori tradition, and the Japanese football team wears blue [[http://www.kansas.com/sports/spt-columns-blogs/ask-sports/article1069113.html due to superstition.]]

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** For examples that aren't in the flag: the Netherlands are orange after the royal family (the House of Orange), Italy blue for its former royal family (House of Savoy), Germany uses the Prussian white harkening from imperial days (the House of Hohenzollern), Australia use uses [[https://en.wikipedia.org/wiki/National_colours_of_Australia green and yellow after a local plant]], gold (based on the golden wattle, Australia's national flower)]], New Zealand have [[https://en.wikipedia.org/wiki/National_colours_of_New_Zealand black following Maori tradition, tradition]], and the Japanese football team wears blue [[http://www.kansas.com/sports/spt-columns-blogs/ask-sports/article1069113.html due to superstition.]]
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* Storage drive manufacturer Western Digital adopted the so-called "Western Digital Rainbow" to denote the intended use-case for the drive:
** Green: "Eco-friendly" drives, meant to be lower performing goes to sleep at the earliest opportunity. Typically derided as the "bottom barrel" budget drive. Retired in the mid 2010s, rolling it into the Blue series
** Blue: A budget oriented lineup. They may not perform the best, but they're serviceable for most people. Available for both hard drives and [=SSDs=]
** Red: Meant to be used in network attached storage drives, which typically include features suitable to it such as 24/7 operation and using idle cycles to perform housekeeping tasks. Only available for hard drives. Because they're seen as more reliable and not that much more expensive than Blue drives, enthusiasts like to use these for their budget storage needs.
** Purple: Optimized for DVR type use-cases, like recording from home security cameras. Only available for hard drives.
** Black: Performance oriented drives, available for both hard drives and [=SSDs=]. The "Raptor" series used to be the highest performance tier, but it was retired in the late 2000s.
** Gold: Meant to be used in data centers and servers with demanding I/O needs. Only available for hard drives.
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*** Defied in Australia. Plain packaging laws, designed to discourage smoking, mean that all tobacco products are packaged in an unattractive [https://en.wikipedia.org/wiki/Pantone_448_C brownish olive drab color]].

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*** Defied in Australia. Plain packaging laws, designed to discourage smoking, mean that all tobacco products are packaged in an unattractive [https://en.[[https://en.wikipedia.org/wiki/Pantone_448_C brownish olive drab color]].
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*** Defied in Australia. Plain packaging laws, designed to discourage smoking, mean that all tobacco products are packaged in an identical unattractive greeny-brownish-olive-drab colour

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*** Defied in Australia. Plain packaging laws, designed to discourage smoking, mean that all tobacco products are packaged in an identical unattractive greeny-brownish-olive-drab colour[https://en.wikipedia.org/wiki/Pantone_448_C brownish olive drab color]].
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* Ancient Egyptian artists routinely depicted Egyptian males with reddish-brown skin, while Egyptian females were portrayed with golden-tan skin. This seems to have been symbolic rather than illustrative of how tanned they were, as even female farm-laborers were shown as pale, and indoor-working male scribes, as reddish-skinned.

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* [[PaleFemalesDarkMales Ancient Egyptian artists routinely depicted Egyptian males with reddish-brown skin, while Egyptian females were portrayed with golden-tan skin. skin.]] This seems to have been symbolic rather than illustrative of how tanned they were, as even female farm-laborers were shown as pale, and indoor-working male scribes, as reddish-skinned.
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** Red = Italy. Still used by Ferrari and Alfa Romeo Sauber in UsefulNotes/FormulaOne. Maserati traditionally use a darker shade closer to mauve, while Lamborghini are more often associated with yellow or lime green.
** Light Blue = France. Most closely associated with classic Bugattis, Matra, and Talbot-Lago cars.

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** Red = Italy.Italy, usually called Rosso Corsa (Racing Red). Still used by Ferrari and Alfa Romeo Sauber in UsefulNotes/FormulaOne. Maserati traditionally use a darker shade closer to mauve, while Lamborghini are more often associated with yellow or lime green.
** Light Blue = France.France, usually called Bleu de France (Blue of France). Most closely associated with classic Bugattis, Matra, and Talbot-Lago cars.
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** Red = Italy. Still used by Ferrari and Alfa Romeo Sauber in UsefulNotes/FormulaOne. Maserati traditionally use a darker shade closer to mauve.

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** Red = Italy. Still used by Ferrari and Alfa Romeo Sauber in UsefulNotes/FormulaOne. Maserati traditionally use a darker shade closer to mauve.mauve, while Lamborghini are more often associated with yellow or lime green.



** Dark Green = UK, usually called British Racing Green, still used most prominently by Aston Martin in racing. Most British sports cars will have the colour as a paint selection.
** White stripes over Dark Blue = USA, often still available as an option on sports cars.

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** Dark Green = UK, usually called British Racing Green, still used most prominently by Aston Martin and Bentley in racing. Most British sports cars will have the colour as a paint selection.
selection. [=McLaren=] are the exception to the rule, as they're most commonly associated with orange.
** White stripes over Dark Blue or vice-versa = USA, often still available as an option on sports cars.
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* Similarly to the Russian undershirts, the US Army and US Air Force have [[NiceHat color-coded berets]] to differentiate between particular corps or specialties:[[note]]or at least, the Air Force does for those people who have earned the right to a beret[[/note]]

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* Similarly to the Russian undershirts, the US Army and US Air Force have [[NiceHat color-coded berets]] berets to differentiate between particular corps or specialties:[[note]]or at least, the Air Force does for those people who have earned the right to a beret[[/note]]
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*UsefulNotes/FormulaOne tires use color-coded sidewalls based on their hardness.
**White = Hard
**Yellow = Medium
**Red = Soft
**Green = Intermediate (part-dry, part-wet)
**Blue = Wet
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*** On the other hand, in some places, the colors have successfully replaced the names in common speech (though some set-in-their-ways older riders might not have adjusted). For instance, Chicagoan who calls the [[UsefulNotes/ChicagoL Brown Line]] the "Ravenswood Route" is definitely an old-timer.[[note]]If they call it the "Ravenswood Branch" they might be an old-timer or they might be a CTA employee or railfan, since the trackage from Belmont to Kimball is still called that. However, that’s a technical term relating to the fixed infrastructure; everyone for whom "Mayor Daley" was Richard M. not Richard J. calls the service—the trains and their schedule—the Brown Line.[[/note]]

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*** On the other hand, in some places, the colors have successfully replaced the names in common speech (though some set-in-their-ways older riders might not have adjusted). For instance, any Chicagoan who calls the [[UsefulNotes/ChicagoL Brown Line]] the "Ravenswood Route" is definitely an old-timer.[[note]]If they call it the "Ravenswood Branch" they might be an old-timer or they might be a CTA employee or railfan, since the trackage from Belmont to Kimball is still called that. However, that’s a technical term relating to the fixed infrastructure; everyone for whom "Mayor Daley" was Richard M. not Richard J. calls the service—the trains and their schedule—the Brown Line.[[/note]]
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*** On the other hand, in some places, the colors have successfully replaced the names in common speech (though some set-in-their-ways older riders might not have adjusted). For instance, Chicagoan who calls the [[UsefulNotes/ChicagoL Brown Line]] the "Ravenswood Route" is definitely an old-timer.[[note]]If they call it the "Ravenswood Branch" they might be an old-timer or they might be a CTA employee or railfan, since the trackage from Belmont to Kimball is still called that. However, that’s a technical term relating to the fixed infrastructure; everyone for whom "Mayor Daley" was Richard J. not Richard M. calls the service—the trains and their schedule—the Brown Line.[[/note]]

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*** On the other hand, in some places, the colors have successfully replaced the names in common speech (though some set-in-their-ways older riders might not have adjusted). For instance, Chicagoan who calls the [[UsefulNotes/ChicagoL Brown Line]] the "Ravenswood Route" is definitely an old-timer.[[note]]If they call it the "Ravenswood Branch" they might be an old-timer or they might be a CTA employee or railfan, since the trackage from Belmont to Kimball is still called that. However, that’s a technical term relating to the fixed infrastructure; everyone for whom "Mayor Daley" was Richard J. M. not Richard M.J. calls the service—the trains and their schedule—the Brown Line.[[/note]]

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