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In common English usage, purple is a range of hues of color occurring between red and blue. [1] However, the meaning of the term purple is not well defined. There is confusion about the meaning of the terms purple and violet even among native speakers of English. [2] Many native speakers of English in the United States refer to the blue ...
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.
Red, green and blue lights, representing the three basic additive primary colors of the RGB color system, red, green, and blue. Magenta light is composed of equal amounts of red and blue light. Magenta, shown at the right, is one of the three secondary colors in the RGB color model, used to make all the colors on computer and television displays.
Special-purpose color spaces. The rg chromaticity space is used in computer vision applications, and shows the color of light (red, yellow, green, etc.), but not its intensity (dark, bright). LMS color space (long, medium, short), a perceptual color space based on the response functions of the cones in the retina of the eye.
The wire pairs are referenced directly by their color combination, or by the pair number. For example, pair 9 is also called the red-brown pair. In technical tabulations, the colors are often suitably abbreviated. Violet is the standard name in the telecommunications and electronics industry, but it is sometimes referred to as purple.
Fuchsia ( / ˈfjuːʃə /, FEW-shə) is a vivid pinkish-purplish- red color, [1] named after the color of the flower of the fuchsia plant, which was named by a French botanist, Charles Plumier, after the 16th-century German botanist Leonhart Fuchs . The color fuchsia was introduced as the color of a new aniline dye called fuchsine, patented in ...
The cheaper filter material used in the monochromatic past dictated red and blue for convenience and cost. There is a material improvement of full color images with the cyan filter, especially for accurate skin tones. Video games, theatrical films, and DVDs can be shown in the anaglyph 3D process.
The CIELAB color space, also referred to as L*a*b*, is a color space defined by the International Commission on Illumination (abbreviated CIE) in 1976. [a] It expresses color as three values: L* for perceptual lightness and a* and b* for the four unique colors of human vision: red, green, blue and yellow. CIELAB was intended as a perceptually ...