robert@xxxxxxxxxxxxxxxxxx wrote: > I need to be able to convert from a larger working space like Adobe RGB or > ProPhoto RGB to sRGB and I would like to do it using a Perceptual mapping > (which isn't possible directly as only a Relative Colorimetric mapping is > available between working spaces). Hi, you don't explain why you can't use Perceptual mapping - certainly nothing in ArgyllCMS prevents this. Simply create a perceptual conversion device link using collink, using the colorspaces and target gamut of your choice, and apply it to your images using cctiff. Graeme Gill.