> there are far more than 256^3 viewable colors This is trivially true: the gamut of sRGB does not cover all possible colours. See this diagram: https://en.wik

> there are far more than 256^3 viewable colors This is trivially true: the gamut of sRGB does not cover all possible colours. See this diagram: https://en.wikipedia.org/wiki/SRGB#/media/File:Cie_Chart_with_sRGB_gamut_by_spigget.png https://en.wikipedia.org/wiki/SRGB#/media/File:Cie_Chart_wit.... As examples, you can't accurately represent true (spectral) violet or darker/deeper but fully saturated yellows in sRGB. > Lastly: https://i.imgur.com/epXYhJd.png https://i.imgur.com/epXYhJd.png If you cover up the top half of the image, the bottom looks gray. But the strawberries look red. To me, the strawberries look red, the plate is a desaturated cyan, and the meringue is a very desaturated yellow, whether I cover the top half of the image or not.