Color Mismatch in Photoshop vs. InDesign and Quark?

CP
Posted By
Craig_Pawelski
Jan 31, 2007
Views
226
Replies
5
Status
Closed
Hi,

We are using our standard spot color in InDesign and Quark–PMS 342. The job is printing 4C process. Quark and InDesign say the CMYK breakdown of PMS 342 is C100,M0,Y71,K43. Photoshop is converting 342 to C100,M32,Y79,K23. Therefore, the large photoshop file is not printing with the accurate color result from our vendor.

What gives? Anyone have an answer or know where I can find the solution?

Thanks!
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B
Buko
Jan 31, 2007
Well you have not supplied any version numbers so its hard to say.

But Pantone is constantly modifying color builds so If the versions don’t match that’s one reason.

Also Photoshop uses LAB color for more accurate conversions to CMYK.
CP
Craig_Pawelski
Jan 31, 2007
All the most recent versions, with the exception of Quark-that’s v. 6.0.

Photoshop is the "problem" program here, since when you view the Pantone book, their CMYK breakdown numbers of PMS342 match what Quark and InDesign are giving us–not what Photoshop is giving us.
ML
Mark_Larsen
Jan 31, 2007
set your book to pantone® solid to process coated when picking colours
CP
Craig_Pawelski
Jan 31, 2007
That was it! Funny how you have to do that in Photoshop, but in Quark and InDesign it doesn’t matter whether you pick "Spot" or "Spot to Process". In those programs, the numbers stay the same. In Photoshop, they are very different. "Spot to Process" in Photoshop does match the values in the other programs.

Well, it worked anyway! Thanks!!
B
Bernie
Jan 31, 2007
Funny how you have to do that in Photoshop, but in Quark and InDesign it doesn’t matter whether you pick "Spot" or "Spot to Process".

That’s becasue PS is truly colour managed.

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