Graeme Gill wrote: > Sorry, spec2cie is hard coded for RGB & CMYK, so it needs a bit of > re-writing to work. Perhaps Gerhard could help ? I did take a brief look at the sources. Looks like using the xcolorants abstraction is the key for a more generic solution. Well, should not be too difficult to change it, granted that I find some free time... Regards, Gerhard