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  2. Shades of red - Wikipedia

    en.wikipedia.org/wiki/Shades_of_red

    Red (RGB), RGB red, or electric red[citation needed] (as opposed to pigment red, shown below) is the brightest possible red that can be reproduced on a computer monitor. This color is an approximation of an orangish red spectral color. It is one of the three primary colors of light in the RGB color model, along with green and blue.

  3. Red - Wikipedia

    en.wikipedia.org/wiki/Red

    Red is the color at the long wavelength end of the visible spectrum of light, next to orange and opposite violet. It has a dominant wavelength of approximately 625–740 nanometres. [1] It is a primary color in the RGB color model and a secondary color (made from magenta and yellow) in the CMYK color model, and is the complementary color of cyan.

  4. List of colors by shade - Wikipedia

    en.wikipedia.org/wiki/List_of_colors_by_shade

    Brown colors are dark or muted shades of reds, oranges, and yellows on the RGB and CMYK color schemes. In practice, browns are created by mixing two complementary colors from the RYB color scheme (combining all three primary colors). In theory, such combinations should produce black, but produce brown because most commercially available blue ...

  5. Category:Shades of red - Wikipedia

    en.wikipedia.org/wiki/Category:Shades_of_red

    Raspberry (color) Red Ochre. Red wine. Red-violet. Rose (color) Shades of rose. Rosso corsa. Ruby (color) Rufous.

  6. Why Red and Green Became the Shades of the Holiday Season

    www.aol.com/why-red-green-became-shades...

    What are the two most popular Christmas colors after red and green? Gold and white take the No. 3 and No. 4 spots in terms of Christmas color popularity, according to Today.com .

  7. History of red - Wikipedia

    en.wikipedia.org/wiki/History_of_red

    Red was the color of communist parties from Eastern Europe to Cuba to Vietnam. In the late 19th and early 20th century, the German chemical industry invented two new synthetic red pigments: cadmium red, which was the color of natural vermilion, and mars red, which was a synthetic red ochre, the color of the very first natural red pigment.

  8. Red pigments - Wikipedia

    en.wikipedia.org/wiki/Red_pigments

    Red pigments are materials, usually made from minerals, used to create the red colors in painting and other arts. The color of red and other pigments is determined by the way it absorbs certain parts of the spectrum of visible light and reflects the others. The brilliant opaque red of vermillion, for example, results because vermillion reflects ...

  9. Visible spectrum - Wikipedia

    en.wikipedia.org/wiki/Visible_spectrum

    White light is dispersed by a prism into the colors of the visible spectrum. The visible spectrum is the band of the electromagnetic spectrum that is visible to the human eye. Electromagnetic radiation in this range of wavelengths is called visible light (or simply light). The optical spectrum is sometimes considered to be the same as the ...