What is the reason behind RGB employing 6 hexadecimal digits?

RGB coding involves using two hex digits to represent the Red, Green, and Blue components of a color. For example, #ff0000 represents pure red. Each hex digit signifies a value from 0-15, or 4 bits of data. However, why do we use 32 bits to encode every color? Why not have three digits per color instead of two for Red, Green, and Blue?

Answer №1

I'm not entirely sure if any of this is relevant to hardware technology, and I'm skeptical about the possibility of creating colors with such intricate detail. Adding a third hex digit for colors would result in 4096 times more color variations, but would ultimately be unnecessary. The human eye wouldn't be able to distinguish between these subtle differences, even in our current color system.

It would be like increasing the frame rate of a movie to 600 frames per second when the human eye can only process 60 frames per second. In essence, sacrificing efficiency for no discernible benefit.

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