Re: RGB to CMYK to CMYK - what is wrong with my profile?
Re: RGB to CMYK to CMYK - what is wrong with my profile?
- Subject: Re: RGB to CMYK to CMYK - what is wrong with my profile?
- From: Matthew Kelly <email@hidden>
- Date: Tue, 6 May 2008 18:57:06 -0500
What, I have to do more work?!
I will give your suggestion a try.
The difference between the two software systems really comes as a
surprise to me. I always thought for many years that the Gretag
Macbeth products were the top of the line. Have I been a dupe of
advertising, or has the fact the ProfileMaker has been upgraded in a
number of years the cause?
Matthew Kelly
Prepress Supervisor
Litho Press, Inc.
4334 Milling Road
San Antonio, TX 78219
210-333-1711
email@hidden
On May 6, 2008, at 11:40 AM, Terence Wyse wrote:
On May 6, 2008, at 11:39 AM, Matthew Kelly wrote:
I have recently created a new press profile using ProfileMaker
5.08. I am getting very good results as far as the proofer
matching the press sheets used to build the profile. My problem is
with the RGB to CMYK conversions. Converting in Photoshop from
Adobe RGB 1998 to my profile, I get poor results in the out of
gamut blues and violets. But if I first convert from Adobe RGB
1998 to Gracol 2006 Coated v2, and then to my profile, the results
are pretty good.
<snip>
I am a little lost as to how to correct this. Are there certain
settings in ProfileMaker, such as gamut mapping or optical
brightner, that would improve my profile?
What you're seeing is the difference between ProfileMaker and your
gamut mapping choice and Monaco Profiler (the GRACoL profile was
built with Profiler).
Build profiles using all three gamut mappings in ProfileMaker and
see what works best for you ("Colorful" is the gamut mapping most
people use).
Regards,
Terry Wyse
_____________________________
WyseConsul
Color Management Consulting
G7 Certified Expert
email@hidden
704.843.0858
http://www.wyseconsul.com
http://www.colormanagementgroup.com
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