Re: CMYK to Lab and back
Re: CMYK to Lab and back
- Subject: Re: CMYK to Lab and back
- From: Roger Breton <email@hidden>
- Date: Wed, 30 Jul 2003 12:15:10 -0400
>
Chaps,
>
>
Could someone explain something to me please? I have a CMYK file with an
>
embedded ICC profile, if I convert it to Lab in Photoshop colorimetrically and
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then convert again back to my original CMYK colourspace again colorimetrically
>
should the Lab values remain the same at points of the process? MY
>
understanding is that they should, however when I try this the values change
>
sometimes considerably. Anyone brainy enough to tell me why? Cheers!
This is an ongoing debate. Ideally, you should hit the colors right on. But,
in practice, it's a different story. Try comparing output profiles across a
number of CMS and tell me which one you find are closest to this ideal?
Roger Breton | Laval, Canada | email@hidden
http://pages.infinit.net/graxx
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| References: | |
| | >(no subject) (From: Andy Fraser <email@hidden>) |