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RedRed is any of a number of similar colors at the lowest frequencies of light discernible by the human eye. Red light has a wavelength range of roughly 625-760 nm. Lower frequencies are called infrared, or below red.
Red is an additive primary color, complementary to cyan. It was once considered to be a subtractive primary color, and is still sometimes described as such in non-scientific literature; however, the colors cyan, magenta and yellow are now known to be closer to the true subtractive primary colors detected by the eye, and are used in modern color printing.
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Encyclopedia
Red is any of a number of similar colors at the lowest frequencies of light discernible by the human eye. Red light has a wavelength range of roughly 625-760 nm. Lower frequencies are called infrared, or below red. Red is an additive primary color, complementary to cyan. It was once considered to be a subtractive primary color, and is still sometimes described as such in non-scientific literature; however, the colors cyan, magenta and yellow are now known to be closer to the true subtractive primary colors detected by the eye, and are used in modern color printing. One common use of red as an additive primary color is in the RGB color model. Because "red" is not by itself standardised, color mixtures based on red are not exact specifications of color either. In order to produce exact colors the color red needs to be defined in terms of an absolute color space such as sRGB. As used in computer monitors and television screens, red is very variable, but some systems may apply color correction . A few examples of the color red are Stop signs, strawberries, apples. Red in Human Culture Symbolism of Red  - Red catches people's attention, and is often used to indicate danger or emergency.
- Red is the color of heat and fire. Taps for hot water are often labeled red. Red is commonly the color of fire alarm boxes, fire extinguishers, and the firefighter profession itself.
- Red denotes "stop" in, for instance, stop signs, traffic signals, brake lights, or the flashing lights of a school bus.
- Red is the color of blood, and a Red Cross, Red Crescent or Red Crystal emblem signifies medical personnel, facilities, or equipment, or the Geneva Conventions.
- Red indicates extreme danger on Western color-coded scales, such as wildfire hazard signs or the U.S. Homeland Security Advisory System. It also denotes the maximum level of danger and preparedness as in the phrases condition red and red alert.
- In auto racing, a red flag signals all cars to immediately stop.
- The redline is the maximum speed an engine and its components can safely run.
- Emergency exits on passenger aircraft are indicated by red signs and lighting.
- "Redlining" is delineating a forbidden area , for instance where a company denies or increases the cost of services, and is illegal in various circumstances in the U.S.
- With ships on collision courses, the ship on starboard tack sees the Green for Go light on the ship on port tack, while the ship on port tack sees the Red for Stop light on the ship on starboard tack.
- Rosso corsa is the traditional color of Italian race cars.
- Being the color of blood, red was associated in Roman mythology with the god of war, Mars, and the reddish planet Mars became named after him. The phrase "red-blooded" describes someone who is audacious, robust, or virile; it is sometimes used to contrast with a cold or effete "blue blood" although the terms are unrelated in origin.
- Red is the color of the passion , romance and sex, thus the red of a Valentine heart and of a "red-light district". Paradoxically, it also denotes anger, as in the expression seeing red, or embarrassment, as in being red-faced .
- In the World Cup, red is the color of victory in South Korea.
- Red is considered holy in some parts of sub-sahara Africa. In these regions women are forbidden to wear red clothes.
- Before the French revolution red was the color of the flag signifying the imposition of martial law.
 - In ancient China, red was the symbol of South and Fire, one of the main five colors.
- In Chinese symbolism, red is the color of good luck and is used for decoration and wedding attire. Money in Chinese societies is traditionally given in red packets.
- Red is one of the Christmas colors, with green, white, or both.
- Red, along with yellow and orange, is thought to provoke hunger, hence its use in logos by food vendors.
- In some East Asian countries, the names of the deceased are written in red ink in a Book of the Dead. To write a living person's name with red ink is taboo, tantamount to placing a curse on the person
Red in the Military and Politics - Beginning with the Revolution of 1848, "Socialist" red was used as a color of European Revolutionaries, often in the form of the red flag. It was also used by Garibaldi's camicie rosse in the Italian Risorgimento, and taken up by Leftist and generally revolutionary groups, while the white of legitimist Bourbon partisans became associated with pre-World War I conservatives. This relates to the term "Blood of the workers", representing the suffering of the proletariat.
|date=January 27 [i], 1918 [i] - May 15 [i], 1918 [i] ... were fought between the " Red Army" and various " White Armies". Mao Zedong was a Chinese Marxist [i] military and political leader, who led China's communist [i]... was sometimes referred to as a "red sun". The color was also associated with political vehicles such as the Red Guard in China and the Red Guards during the Russian Revolution of 1917 as well as with left wing paramilitary groups such as the Red Army Faction in Germany and the Japanese Red Army. - Red remains associated with parties on the left of the political spectrum, with several notable exceptions
- In maps of political parties, red is traditionally used for the following parties:
... , red is the color of artillery. Black symbols on a red field signify field artillery, white symbols signify anti-aircraft artillery. - Red is the color commonly associated with the British Army and is also used to describe someone of British nationality.
- Red is the color often used for the Roman, British and Soviet Empires.
- In the history of Japan red is the color of military flags used by the Heike clan and of the Genji clan, two clans that struggled for power at the close of the Heian era, in the late 12th century.
- In the United States wearing red clothing is promoted by some groups to symbolize support for or opposition against the Iraq War, or to spread awareness about heart disease. See: Red Friday
- Red is also used to symbolize AIDS awareness or Drug awareness, in the form of a red ribbon
Red in science, technology and computing - Red is the word for a fish of the genus Myripristis in Tobian.
- Red is the color used for critical or important systems that operate in low-light or night-time conditions, as rod cells in the human eye do not respond to it and therefore does not interfere in the eye's ability to focus in dim environments.
- A red filter used in black and white photography increases contrast in most scenes. For example, combined with a polarizer, it can turn the sky black. Films simulating the effects of infrared film do so by being much more sensitive to red than to other colors.
- Oxygenated blood is red due to the presence of oxygenated hemoglobin.
- Red light is the first to be absorbed by sea water, so that many fish and marine invertebrates that appear bright red are black in their native habitat.
- In Finland, bright red is the "color of technology". It is seen in TKY regalia; also, the student union of chemical engineering has bright red as its distinctive color. Its use is traditional, tracing its history back into the 19th century. It probably originated from the red insignia identifying artillery.
- One screen is called Red Screen of Death
Other Symbolism of Red- In Christianity, red represents the color of fire and so symbolizes the presence of God. It is the liturgical color for Pentecost. It is also considered the color of the Catholic Church, since red can also symbolize the blood of martyrs. It is sometimes used for Holy Thursday and during Eastertide. In Catholic tradition it is used for Palm Sunday in anticipation of the death of Jesus.
- Red ink is also used to denote debt - as well as losses on a balance sheet .
- In North American stock markets, red is used to denote a drop in stock prices. In East Asian stock markets, red is used to denote a rise in stock prices.
- In Association football , the referee shows a red card to a player who is being sent-off.
- Red can sometimes symbolize evil in any kind of work that involves a villain.
- In English heraldry, red denoted ardent affection or love, while crimson stood for boldness, enthusiasm, or impetuosity.
- A red item is an omen in the 2006 film The Omen
- Red is the color claimed by the street gangs Bloods and Norteńos.
- Red is an album by progressive rock band King Crimson.
- Red is the color of the lowest-value balls in snooker. There are 15 at the beginning of a game, each worth 1 point.
- Red Indians is a British term for Native Americans.
Variations In fiction - In the original Star Trek series, red uniforms are for engineering and security personnel. From onwards, red uniforms are for command personnel.
- In the Power Rangers is an ongoing, American [i] franchise of superhero [i] children's television [i] ...
and Super Sentai series, the Red Ranger is usually the leader of the team, and always the most powerful member. Most Red Rangers in Power Rangers and all Red Warriors in Super Sentai have been male, but there has been an exception in . - In the Star Wars universe, red is traditionally the color of light sabers used by the Sith, evil users of the Force. This is because a red lightsaber crystal is synthetically made, and therefore separated from the natural world. A red crystal is supposed to be stronger. The Jedi traditionally avoid using or making red lightsabers. In Knights of the Old Republic video games, red represents the dark side of the Force.
- In the trading card game, Red is the color associated with dealing damage, with direct-damage cards and creatures with large power in relation to toughness. See , an article by head Magic designer Mark Rosewater for more.
- is the last film in the Three Colors trilogy by Krzysztof Kieslowski.
- In the Disney/Pixar
Pixar Animation Studios is an award-winning American [i] computer animation [i] studio ... film, The Incredibles is an Academy Award [i]-winning Pixar Animation Studios [i] animated [i] ... , red is worn by the entire Incredible Family. In the Disney on Ice play, Disney Presents Pixar's The Incredibles in a Magic Kingdom Adventure, Helen briefly has objections about how red her super-suit looks. ... mini-series V and , as well as the short-lived weekly series that followed, all of the Visitors wear red jumpsuits. | image = JKRowling.jpg ... , the character Hagrid's given name is Rubeus, which is the Latin word for red. In other languagesHungarian has two words for red, medium piros and dark vörös, which are distinct colors the way red and pink are distinct colors in English. In Turkish there are numerous words for red: Al generally refers to the color of blood and related things ; Kizil is bright red, and generally refers to fire or rebellion . Kirmizi is a more general word for red, without strong emotional meaning. In some decorating and fashion contexts, shades of red are describes by reference to the colors of fruits and vegetable that commonly match that shade. These include cherries, beets, turnips, strawberries , and raspberriesIn Welsh a "blue" movie is called a ffilm goch . Red is "lal" in Bangla. In Sanskrit, "arun" can refer to a shade resembling vermillion. Red pigmentsSee also External links
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