Cannot fill correct PANTONE color

EK
Posted By
Erich_Kubat
Apr 27, 2004
Views
450
Replies
5
Status
Closed
I am using PS 6 in a windows-network but my workstation is the only one with this mistake:

The descripton of color PANTONE 390 CVU is (18%C 0%M 100%Y 6%K)but the filling looks very different! A screenshot shows the reason: the filled color has the correct CMYK parameter but color picker shows PANTONE as 48%C 9%M 100%Y 1%K

Why do I have a wrong description of this PANTONE color? Neither a new installation did not give a different result nor changing my colorsetup! What do I have to do?

Thanks!

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RL
Robert_Levine
Apr 27, 2004
The Pantone specs change over time. If you’re not printing spot color than just use the CMYK numbers that you need.

Bob
GH
Gernot_Hoffmann
Apr 27, 2004
IMO the difference is far too large for a correction by
Pantone. 390 CVU:
18%C 0%M 100%Y 6%K
48%C 9%M 100%Y 1%K

A direct measurement in an older swatch book delivers
22%C 0%M 100%Y 8%K
(for coated, should be approximately valid for uncoated).

Your first number set is indicated for "Solid to Process", the second for the direct choice of 390CVU.
I can´t explain the huge discrepancy (but minor deviations depend on the actual definition of the CMYK working space).

IMO, one needs still swatch books.

Best regards –Gernot Hoffmann
L
LenHewitt
Apr 27, 2004
Erik,

Additionally, the CMYK values you get will dependent upon your Colour Management settings.
GH
Gernot_Hoffmann
Apr 27, 2004
Len,

yes, I had TRIED to tell just the same …

IMO, the problem should be solved generally:

1. Ignore indicated deviations for spot colors.
The ink will be mixed in a pot. The preview is not
relevant. Many spots are out-of-gamut for the
monitor.

2. Never define arbitrary colors which are intended
for process printing by spot.

3. Never define logo colors by spot. Occasionally
they HAVE to be printed by process.

4. Buy a swatch book for the "common process" (Euro- scale in Europe, SWOP (sheetfed or so in USA)).
And take the CMYK numbers from the book.

5. Ignore Pantone for process. Pantone CMYK values
are valid for a specified Pantone process which
might be different to the "common process".
PhS 7.0 doesn´t tell me for which process.

Best regards –Gernot Hoffmann
L
LenHewitt
Apr 28, 2004
Gernot,

That’s a fair précis…

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