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Recent W3C specifications of color names distinguishes between basic and extended colors. [6] In HTML and XHTML, colors can be used for text, background color, frame borders, tables, and individual table cells. [7]
Saturation 4% Brightness 100% main background Saturation 10% Brightness 100% 2nd header, accent colour Saturation 15% Brightness 95% main border header background Saturation 15% Brightness 75% header border only Note: for layouts with no spacing between borders, use the darker border colour. Hue: 0: #FFF5F5: #FFE6E6: #F2CECE: #BFA3A3 Hue: 10: # ...
A color wheel is a tool that provides a visual representation of the relationships between all possible hues. The primary colors are arranged around a circle at equal (120 degree) intervals. (Warning: Color wheels frequently depict "Painter's Colors" primary colors, which leads to a different set of hues than additive colors.)
The ability to discriminate color differences decreases rapidly as the visual angle subtends less than 12' (0.2° or ~2 mm at a viewing distance of 50 cm), [5] so color stimulus of at least 3 mm in diameter or thickness is recommended when the color is on paper or on a screen. [6]
For the heading background, the saturation is 15% and brightness is 95%. For the heading border, the saturation is 15% and brightness is 75%. For the box background, the saturation is 4% and brightness is 100%. For the ITN/OTD sections, the saturation and brightness scheme is the same as above, but the hue (color) is different.
This results in an 8-color palette ((2 1) 3 = 2 3 = 8) that has black, white, the three RGB primary colors red, green and blue and their correspondent complementary colors cyan, magenta and yellow as follows: The color indices vary between implementations; therefore, index numbers are not given. The 3-bit RGB palette is used by:
Magenta CMYK color space coordinate y Yellow CMYK color space coordinate k Black CMYK color space coordinate cmykref The reference for CMYK coordinates, if different from the main source. Other parameters bgcolor (Optional) Color in hex format used for background behind the name of the color. Defaults to value specified by the hex parameter ...
A 2-bit indexed color image. The color of each pixel is represented by a number; each number (the index) corresponds to a color in the color table (the palette).. In computing, indexed color is a technique to manage digital images' colors in a limited fashion, in order to save computer memory and file storage, while speeding up display refresh and file transfers.