dimitrije zivkovic wrote: > But I should use it? You should use it for whatever reason you created it ! You've linked two CMYK profiles, so it's a CMYK->CMYK transformation that could be used to transform a CMYK image from the source profile CMYK space to the destination profile CMYK space. You could (for instance) use PhotoShop or Argyll's cctiff of lcms's tificc. Graeme Gill.