Roger Breton wrote: > Is there a utility in Argyll designed to extract the colors out of a CMYK > image? Hi Roger, no there is no such utility in Argyll at present. I did write some tools like this a long time ago for a different system, and did sketch out a tool to reduce a raster to N representative colors using median cut clustering (based on some old xli code I wrote), but I have never turned it into a finished tool. Graeme.