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Red

Red is a color at the lowest frequencies of light discernible by the human eye. Red light has a wavelength of roughly 700 nm. Oxygenated blood is red due to the presence of hemoglobin.

On a browser that supports visual formatting in Cascading Style Sheets, the following box should appear in this color:

Lower frequencies are called infrared, or far red.

The RGB coordinates of red are 255 0 0. Note that the color most people call "red" on computers is in fact red with a little yellow in it.

Usage, symbolism, colloquial expressions

  • Red catches people's attention, and is often seen as a sign of danger: it is thus used for warning signs.
    • The color red is often used to denote anger as in seeing red.
    • The color of blood led red to be associated with the god of war, Mars, and the reddish planet Mars became named for him.
    • Red is used to denote "stop" in traffic signs and traffic signals.

  • Red is the colour of love.

  • Red is one of the Christmas colours.

  • For a long time (beginning probably with the French Revolution) red was used as a colour of Revolutionaries, Leftist and generally radical groups, while white was used as colour of conservatives.
  • 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 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 maps of political parties, red is traditionally used for the following parties:

Referenced By

Argentine Peso | Canadian Liberal Party | Conservative Party (Canada) | Deparment of Homeland Security Advisory System | Department of Homeland Security Advisory System | Ethylene dibromide | Flag of Chile | Flag of Taiwan | Flag of the Republic of China | Gilbert schema for Ulysses | Gray | Liberal Party of Canada | Linati schema for Ulysses | List of articles about color | List of colors | METRORail | Microsoft Paint | Paintbrush for Windows | Political parties | Political party | Politicial party | Progressive Conservative | Progressive Conservative Parrty | Progressive Conservative Party | Progressive Conservative Party of Canada | Progressive Conservatives | ROC flag | Reais | Real | Red Army | Red flag | Seurat, Neo-Impressionism and the Science of Color | Spectal type | Spectral class | Spectral type | Stellar classification | The Red Army

 

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This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Red".

 

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