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You are here: MacNN Forums > Enthusiast Zone > Art & Graphic Design > CMYK vs. Pantone colors > Conversion?!?

CMYK vs. Pantone colors > Conversion?!?
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Mac Enthusiast
Join Date: Mar 2002
Location: New York
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Jan 15, 2003, 06:19 PM
 
Hi, there is a project where we have pantone colors for logos and i need to convert them to CMYK for printing.

Do i just let quark do the conversion? (when i go to the color drop down menu, i go from the pantone color to cmyk and it changes it for me)

Do i let the printer do the conversion? (leave it alone and let his machine convert it for me...i think he is using a indigo printer)

or

Do i use the converted Quark settings but tweak and adjust it according to prints i make to my Epson 1280 (on Epson Glossy Paper to simulate the printing medium)?
     
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Jan 15, 2003, 07:02 PM
 
Best thing to do would be to call your printer and ask. If they want to do it, then done. If they want you to do it, or you would rather do it, than do it in Quark. Switch the color from Pantone to CMYK as you described, and you will be fine. Before you go to press, get a Matchprint. Then you will know your colors are correct.

Do not use your Epson to proof for color. Unless you have a complete color profiling system running, and have the profiles from your printers press, you will not get accurate color.

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Dedicated MacNNer
Join Date: Oct 2002
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Jan 15, 2003, 07:04 PM
 
Depends on whether the logos were created using Quark. If so, yes, simply change the pantones to CMYK in the Edit Colors menu. If not, you'll have to open the original file and convert them there. Whatever you do, don't adjust colors from monitor to printed piece, you'll really get some whacked out looking stuff then.
     
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Jan 15, 2003, 07:11 PM
 
Good point, dadder. I assumed the logos were built in Quark.

If they are built in another app, such as Illustrator, change them there...

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Jan 15, 2003, 09:20 PM
 
I would check with your printer to see if the pantone's used are reproducable in CMYK, I've had problems in the past with Pantone's out of the CMYK gamut.

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Mac Elite
Join Date: Oct 2002
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Jan 20, 2003, 06:59 AM
 
You still going on about this?

If you have a client insisting on PMS color matching, using CMYK, you have a problem.

There are very few Pantone colors that have an accurate process (CMYK) equivalent.

If it is you that is fussing over this, you should a) get a Pantone Process chart, which shows you the closest representation of a PMS to a 4 color equivalent. (Oranges and Lime greens will show you the limitations of the 4 col system)
(b) Given (a), do a press check.

If it is your client fussing. then you must talk them into a 5 or 6 color job (4col process + their spot colors), and charge them extra. The the only way to get an accurate representation of PMS colors, is to use PMS colors.
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