Re: Dumb question for european prepress specialists: Which profile?
Re: Dumb question for european prepress specialists: Which profile?
- Subject: Re: Dumb question for european prepress specialists: Which profile?
- From: Marco Ugolini <email@hidden>
- Date: Fri, 25 Nov 2005 23:27:13 -0800
In a message dated Fri, Nov 25, 2005 10:58 PM, Paul Schilliger wrote:
> In Adobe's I can't even find a way to preview what the image looks like in
> plain CMYK values. It will always compare to the default CMYK profile set in
> Color preferences. It could be that I am missing something, is there a tip
> there? How can I preview for example what plain CMYK values look like in my
> monitor profile?
Please forgive me for appearing brusque, Paul, but to talk about "plain CMYK
values" is meaningless. Unlike CIELab, CMYK is always a device-dependent
color space: the appearance of color in a CMYK file is always based on the
specific color behavior described in the profile associated with the file
(which is the default CMYK profile for untagged files), and this color
behavior changes from profile to profile and from device to device. The same
color numbers describe notably different colors in different profiles.
If you wish to preview the CMYK values in your file, there is no getting out
of first *having* to define what kind of CMYK values these are. That is why
Photoshop, in the absence of any other instructions, *must* resort to using
the default CMYK color profile defined in Photoshop's color preferences.
Conversions are based on math, and without defined values no math is
possible.
Regards.
--------------
Marco Ugolini
Mill Valley, CA
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