Roger Breton wrote: > I was under the impression that the content of the following page was > explicit enough for anyone to use with v4 profiiles. > That's what I've been using with success anyway. > > http://www.color.org/srgbprofiles.xalter Right, but given the V4+PRMG nature of it all, not at all relevant to Argyll. Argyll's gamut mapping approach using V2 profiles has advantages over the V4+PRMG. (Note that there is no technical connection between V4 and use of the PRMG. One does not imply or need the other). Graeme Gill.