I think you’ve been using Photoshop all wrong if you aren’t making your own LUTs!

A matrix of color data that is searched in order to change a source set of colors to a destination set. Color lookup tables (CLUTs) are found in graphics cards (display adapters) in order to translate ...

A method of compressing an image that enables 8 bits per pixel to look almost as good as 24 bits per pixel. The technique determines the 256 most frequently used colors in the image and creates a ...