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A color tool or other graphics software is often used to generate color values. In some uses, hexadecimal color codes are specified with notation using a leading number sign (#). [1] [2] A color is specified according to the intensity of its red, green and blue components, each represented by eight bits.
HTML name R G B; Hex Decimal Purple, violet, and magenta colors: Indigo: 4B0082: 75, 0, 130 Purple: 800080: 128, 0, 128 DarkMagenta: 8B008B: 139, 0, 139 DarkViolet ...
Here are grouped those full RGB hardware palettes that have the same number of binary levels (i.e., the same number of bits) for every red, green and blue components using the full RGB color model. Thus, the total number of colors are always the number of possible levels by component, n, raised to a power of 3: n×n×n = n 3.
This article is a list of the color palettes for notable computer graphics, terminals and video game console hardware. Only a sample and the palette's name are given here. More specific articles are linked from the name of each palette, for the test charts, samples, simulated images, and further technical details (including references).
While it is sometimes described as a color space, it is actually a three-channel RGB color model supplemented with a fourth alpha channel. Alpha indicates how opaque each pixel is and allows an image to be combined over others using alpha compositing, with transparent areas and anti-aliasing of the edges of opaque regions. Each pixel is a 4D ...
where # equals the proportion of red, green, and blue respectively. This syntax can be used after such selectors as "background-color:" or (for text) "color:". Wide gamut color is possible in modern CSS, [29] being supported by all major browsers since 2023. [30] [31] [32] For example, a color on the DCI-P3 color space can be indicated as:
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Colors are most commonly specified as either a color keyword or as the hexadecimal triplet representing an RGB combination. See the article web colors for details. If specified, the text is centered within the box.