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This indirect scheme restricts the number of available colors in an image CLUT—typically 256-cubed (8 bits in three color channels with values of 0–255)—although each color in the RGB24 CLUT table has only 8 bits representing 256 codes for each of the R, G, and B primaries, making 16,777,216 possible colors. However, the advantage is that ...
As of 2011, most graphic cards define pixel values in terms of the colors red, green, and blue. The typical range of intensity values for each color, 0–255, is based on taking a binary number with 32 bits and breaking it up into four bytes of 8 bits each. 8 bits can hold a value from 0 to 255.
RGB values are usually given in the 0–255 range; if they are in the 0–1 range, the values are multiplied by 255 before conversion. This number divided by sixteen (integer division; ignoring any remainder) gives the first hexadecimal digit (between 0 and F, where the letters A to F represent the numbers 10 to 15.
The number in each position ranges from 0 (no color added) to 255 (100% color added). This range was chosen because it is the most commonly used in computer color selection dialogs. (The numbers 0 through 255 fit naturally within one byte and are therefore used to directly drive graphics cards.) Most image editing programs accept this range.
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:
B: Normalized to [0–255] (byte) Coquelicot ( / ˈ k oʊ k l ɪ k oʊ / KOHK -li-koh ) is a shade of red . The term is originally the French name for the wild corn poppy, Papaver rhoeas , which is distinguished by its bright red color and orange tint. [ 2 ]
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B: Normalized to [0–255] (byte) The adjacent box displays the generic tone of international orange used by military contractors and in engineering generally. The source of this color is Federal Standard 595 , a U.S. federal government standard set up in 1956 for paint colors which is mostly used by military contractors and also in engineering.