RGB color is represented by 24 bits per pixel with each of red, green, and blue channels represented by 8 bits each, allowing for 256 possible values from 0-255. The luminance (L) of an RGB color can be calculated using a formula that weights red, green, and blue color values differently. Converting between RGB and other color models like HSV involves mathematical transformations of the R, G, and B component values.

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87. • https://www.zhihu.com/lives/927233624963682304
• https://zhuanlan.zhihu.com/p/24507450
• https://zhuanlan.zhihu.com/p/24071806