Isn't the "target" illuminant always D50 in an ICC profile? Roger -----Original Message----- From: argyllcms-bounce@xxxxxxxxxxxxx [mailto:argyllcms-bounce@xxxxxxxxxxxxx] On Behalf Of Graeme Gill Sent: 26 août 2014 09:22 To: argyllcms@xxxxxxxxxxxxx Subject: [argyllcms] Re: Fwd: Question about M1 measurements Roger Breton wrote: > So corrections are "illuminant-dependent" then? Dependent on the target illuminant, yes of course - the whole point is to correct the readings for the target illuminant. Graeme Gill.