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UT orange Color coordinates; Hex triplet: #FF8200: sRGB B (r, g, b) (255, 130, 0) HSV (h, s, v) (31°, 100%, 100%) CIELCh uv (L, C, h) (67, 121, 31°) Source: University of Tennessee: ISCC–NBS descriptor: Vivid orange: B: Normalized to [0–255] (byte)
Orange is the colour between yellow and red on the spectrum of visible light. Human eyes perceive orange when observing light with a dominant wavelength between roughly 585 and 620 nanometres. In traditional colour theory, it is a secondary colour of pigments, produced by mixing yellow and red.
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 primary colors are usually mapped to xyY chromaticity coordinates, though the uʹ,vʹ coordinates from the UCS chromaticity diagram may be used. Both xyY and uʹ,vʹ are derived from the CIE 1931 color space , a device independent space also known as XYZ which covers the full gamut of human-perceptible colors visible to the CIE 2° standard ...
The three coordinates of CIELAB represent the lightness of the color (L* = 0 yields black and L* = 100 indicates diffuse white; specular white may be higher), its position between red and green (a*, where negative values indicate green and positive values indicate red) and its position between yellow and blue (b*, where negative values indicate ...
In Wikipedia, the HSV coordinates are represented as three numbers separated by commas and identified as either degrees or percentage, as in this example for the color orange: (39°, 100%, 100%) The coordinates within the parentheses provide, from left-to-right, the relative values of hue, saturation, and value.
When two or more colors are additively mixed, the x and y chromaticity coordinates of the resulting color (x mix,y mix) may be calculated from the chromaticities of the mixture components (x 1,y 1; x 2,y 2; …; x n,y n) and their corresponding luminances (L 1, L 2, …, L n) with the following formulas:
Hexadecimal 8-bit RGB representations of the main 125 colors. A color in the RGB color model is described by indicating how much of each of the red, green, and blue is included. The color is expressed as an RGB triplet ( r, g, b ), each component of which can vary from zero to a defined maximum value.
Cylindrical-coordinate color models. A number of color models exist in which colors are fit into conic, cylindrical or spherical shapes, with neutrals running from black to white along a central axis, and hues corresponding to angles around the perimeter. Arrangements of this type date back to the 18th century, and continue to be developed in ...
Color theory, or more specifically traditional color theory, is the historical body of knowledge describing the behavior of colors, namely in color mixing, color contrast effects, color harmony, color schemes and color symbolism. Modern color theory is generally referred to as Color science.
