> Thanks, I think this will be useful. But which 16 of the original colors are remapped in this way?
> And about the formats, you can find out more about them via the XCC source code.

pal16: that 16 bytes
pal256: the palette from bene.pal/ibm.pal
sci: some color index from the image data
rgb = pal256[pal16[sci]] * 4
and well, speaking of the source, where exactly, hum,... :)
i found out how to read that icon.icn file from dune.pak too (again: uses some sort of indirect palette), if you want information on that, i could try to write some txt file