I got a number between 0-255 and need to convert it to a RGB grayscale color. And how do I convert a RGB-color to a grayscale value between 0-255?
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I got a number between 0-255 and need to convert it to a RGB grayscale color. And how do I convert a RGB-color to a grayscale value between 0-255?
The common formula is luminosity = 0.30 * red + 0.59 * green + 0.11 * blue. Matches the human eye’s color perception, doesn’t otherwise correct for display device gamma.