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Often known as truecolor and millions of colors, 24-bit color is the highest color depth normally used, and is available on most modern display systems and software. Its color palette contains (2 8) 3 = 256 3 = 16,777,216 colors. 24-bit color can be represented with six hexadecimal digits.
The DVD-Video and Blu-ray Disc standards support a bit depth of 8 bits per color in YCbCr with 4:2:0 chroma subsampling. [16] [17] YCbCr can be losslessly converted to RGB. MacOS refers to 24-bit color as "millions of colors". The term true color is sometimes used to mean what this article is calling direct color. [18]
24-bit palette sample image 24 bit Palette Color Test Chart. This is a full list of color palettes for notable video game console hardware.. For each unique palette, an image color test chart and sample image (original True color version follows) rendered with that palette (without dithering unless otherwise noted) are given.
When 24-bit color became the norm, palettes could instead be populated with the optimum colors for individual images. A small color table may suffice for small images, and keeping the color table small allows the file to be downloaded faster. Both the 87a and 89a specifications allow color tables of 2 n colors for any n from 1 through 8.
24-bit is a reference to a 24-bit length of data or memory addressing. 24-bit may also refer to: 24-bit color, color data types; 24-bit, a bit depth used in digital audio; see Audio bit depth; ICAO 24-bit address, a unique ID given to aircraft using an Aviation transponder interrogation mode; 24-bit hex code, data used in aeronautics transponders
The Ekta Space is a common name for two color spaces developed by Joseph Holmes - Ekta Space PS 5 and Ektachrome Space to safely contain fine image scans of film originals generally of 24-bit color depth.
The name "color quantization" is primarily used in computer graphics research literature; in applications, terms such as optimized palette generation, optimal palette generation, or decreasing color depth are used. Some of these are misleading, as the palettes generated by standard algorithms are not necessarily the best possible.
An example is the 256-color palette commonly used in the GIF file format, in which 256 colors to be used to represent an image are selected from the whole 24 bit color space, each being assigned an 8 bit index. This way, while the system can potentially reproduce any color in the RGB color space (as long as the 256 color restriction allows ...