7. The Menus / 7.6 The Tool Menu

7.6.11 Color/Color Lookup

Color Lookup modifies the colors of an image by using 3-dimensional color tables.

Its dialog offers a popup list that shows the installed color tables. On the one hand these are the abstract color profiles that are installed in the OS and on the other hand they are:

that are found in the "ColorLookup" subfolder inside your settings folder (chapter 1.6)

The Load buttons loads a file in one these file formats.