CLUT contains palettes (i.e. color lookup tables) in the same format as APAL and NPAL. This format is simple: 256 3-byte values, one for each palette index.

"CLUT"	dword	Block identifier
dwSize	dword	Size in bytes (BE)
loop 256
nRed	byte	Red intensity
nGreen	byte	Green intensity
nBlue	byte	Blue intensity
end of loop