Re: PS Preview
Re: PS Preview
- Subject: Re: PS Preview
- From: Roger Breton <email@hidden>
- Date: Tue, 30 Jan 2007 23:14:49 -0500
Kevin,
> I suggest when CMYK numbers are removed from their ICC context (we assign a
> profile other than the profile used to generate those CMYK numbers) then we
> lose a large degree of color predictability because we are uncoupling the CMYK
> numbers from the table which generated them.
Have you ever experimented what you describe all the way to the press?
I have a client who insist on using SWOPv2 for separations, in Photoshop.
But when his jobs come in the door, a custom press profile is used for
proofing instead of SWOPv2 with good success. Isn't it the same as running
this client's separations on an Approval or a FinalProof "if the press is
known to match an Approval or a FinalProof"?
> This uncoupling is what I call
> 'CMYK backwards'. A more extreme example would be 'Mystery Meat CMYK', or an
> untagged 4C file whose numbers do not correspond to any known profile
> separation.
I agree a discrepancy is created, at least conceptually.
> If you have time, lets complete a peer review of 'ICC color blindness to pure
> primary colors' and see if we can find agreement on this and then see if we
> can somehow make some sense of the experiment.
Doesn't the color gamut of the monitor also come in the equation? And why
would it be worse for CMYK solids?
> Kevin Muldoon
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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