Longer wavelengths than this are called infrared ( below red ), and cannot be seen by the naked human eye. Red is used as one of the additive primary colors of light, complementary to cyan, in RGB color systems. Red is also one of the subtractive primary colors of RYB color space but not CMYK color space.
Healthy light-skinned people are sometimes said to have a "ruddy" complexion (as opposed to appearing pale). After the rise of socialism in the mid-19th century, red was to describe revolutionary movements. The word is also obviously associated with anything of the color occupying the lower end of the visible light spectrum, such as red hair or red soil.
Red is also one of the subtractive primary colors of RYB color space but not CMYK color space.
Because "red" is not by itself standardized, 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 (so that a standardized "red" is produced that is not in fact full intensity of only the red colorant).
Though many more modern darkrooms use an amber safelight, red illumination is closely associated with the darkroom in the public mind.
Mars is called the Red Planet because of the reddish color imparted to its surface by the abundant iron oxide present there. Astronomical objects which are moving away from the observer exhibit a red shift. Jupiter's surface displays a Great Red Spot, a football-shaped area south of the planet's equator. Astronomers believe the spot to be some kind of storm.
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. When used about animal coloration red usually refers to a brownish, reddish-brown or ginger color. In this sense it is used to describe coat colors of reddish-brown cattle and dogs, and in the names of various animal species or breeds such as red fox, red squirrel, red deer, Robin Redbreast, Red Grouse, Red Knot, Redstart, Redwing, Red Setter, Red Devon cattle etc. The usage for animal color appears similar to that for red ochre, red hair and Red Indian. Interestingly red appears to be rarely used in names of animals which are a brighter blood-red or scarlet color, for instance the carmine bee-eater, the scarlet tanager and the cardinal. When used for flowers, red often refers to purplish (red deadnettle, red clover, red helleborine) or pink (red campion, red valerian) colors.
Oehler, Gustav Friedrich and George Edward Day Theology of the Old Testament . pg. 320 A biblical example is found in Isaiah: "Though your sins be as scarlet, they shall be white as snow." KJV Isaiah 1:18 Also, The Scarlet Letter an 1850 American novel by Nathaniel Hawthorne, features a woman in a Puritan New England community who is punished for adultery with ostracism, her sin represented by a red letter 'A' sewn into her clothes. Hawthorne, Nathaniel. The Scarlet Letter. New York: Pocket, 2004. ISBN 0743487567 pg. 136 This all comes from a general Hebrew view inherited by Christianity which associates red with the blood of murder, as well as with guilt in general. Atwater, Edward. Sacred Tabernacle of the Hebrews. City: Kessinger Publishing, LLC, 2004. ISBN 141797818X pg. 223 Another popular example of this is in the phrase "caught red-handed ", meaning either caught in an act of crime or caught with the blood of murder still on one's hands. Oxford English Dictionary At one point, red was associated with prostitutes, or now, with brothels (red-light districts). Haarmann, Harald. Language in Its Cultural Embedding. Berlin: Mouton de Gruyter, 1990. ISBN 0899255833 pg. 13 Delaney, Carol. Investigating Culture. Cambridge: Blackwell Pub, 2004. ISBN 0631222375 pg. 324 In Roman Catholicism, red represents wrath, one of the Seven Deadly Sins. In Christianity, Satan is usually depicted as colored red and/or wearing a red costume in both iconography and popular culture. Steffler, Alva. Symbols of the Christian Faith. City: Wm. B. Eerdmans Publishing Company, 2002. ISBN 0802846769 pg. 132 Statistics have shown that red cars are more likely to be involved in accidents. Kopacz, Jeanne. Color in Three-Dimensional Design. New York: McGraw-Hill, 2004. ISBN 0071411704 pg. 76 The color red is associated with lust, passion, love, and beauty as well. The association with love and beauty is possibly related to the use of red roses as a love symbol. Sebeok, Thomas and Marcel Danesi. The Forms of Meaning: Modeling Systems Theory and Semiotic Analysis. Berlin: Mouton de Gruyter, 1999. ISBN 3110167514 pgs. 150-152 Both the Greeks and the Hebrews considered red a symbol of love, as well as sacrifice. Dreyfuss, Henry. Symbol Sourcebook. New York: Wiley, 1984. ISBN 0471288721 pg. 239 Psychological research has shown that men find women who are wearing red more attractive.
Feisner, Edith. Colour. City: King Laurence Publis, 2006. ISBN 1856694410 pg. 127 Examples of this are found in the flags of many nations including the United States, as well as in the novel The Red Badge of Courage , in which a soldier in the American Civil War discovers the meaning of courage. Hoffman, Danlel. The Poetry of Stephen Crane. New York: Columbia University Press, 1971. ISBN 0231086628 pg. 150 Besides the association with guilt previously mentioned, in Christianity, red represents the color of Christian martyrs who suffered death for their faith. It is sometimes used for Holy Thursday and during Eastertide, and red green and white is the color scheme of Christmas. In Roman Catholic tradition it is used for all feast days of Christian martyrs as well as Palm Sunday in anticipation of the death of Jesus.
It carries a largely positive connotation, being associated with courage, loyalty, honor, success, fortune, fertility, happiness, passion, and summer. Li Sujun (), China Red () . (In Chinese.) Sherida Davis-Bryan, A Call to Arms: A Comparison of the Semiotics of the Peking Revolutionary Opera and 9/11 Media Images Cullen, Cheryl. Global Graphics. Gloucester: Rockport Publishers, 2000. ISBN 1564962938 pg. 147 In Chinese cultural traditions, red is associated with weddings (where brides traditionally wear red dresses) and red paper is also frequently used to wrap gifts of money or other things. Special red packets called hong bao as in Mandarin or lai see as in Cantonese - are specifically used during the Chinese New Year to give monetary gifts. On the more negative end, obituaries are traditionally written in red ink, and to write someone's name in red signals either cutting them out of your life, or that they have died.
The use of red has some similar connotations from country to country: the blood, sacrifice, and courage of those who defended their country; the sun and the hope and warmth it bring; and the sacrifice of Christ's blood (in some historically Christian nations) are a few examples. Red is the color of the flags of several countries which once belonged to the former British Empire. The British flag bears the colors red, white and blue; it includes the cross of Saint George, patron saint of England, and the saltire of Saint Patrick, patron saint of Ireland, both of which are red on white. Brabazon, Tara.
It was also used by Garibaldi's camicie rosse ("redshirts") 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 conservative. This relates to the term "Blood of the workers", representing the suffering of the proletariat.
The franchise soon relocated to Boston and is now the Atlanta Braves, but its name survives as the origin for both the Cincinnati Reds and Boston Red Sox. During the 1950s when red was so strongly associated with communism, the modern Cincinnati team was known as the "Redlegs" and the term was even used on baseball cards. After the red scare faded, the team was known as the Reds again. Cuordileone, Kyle.
Red remains associated with parties on the left of the political spectrum.
There, red is associated with Republican Party, which is right-wing. Red and black are colors associated with anarchism, and, specifically, anarcho-syndicalism.
Source: Wikipedia > Red
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