Re: Pantone solid to CMYK specs
Re: Pantone solid to CMYK specs
- Subject: Re: Pantone solid to CMYK specs
- From: Paul Sherfield <email@hidden>
- Date: Fri, 11 Feb 2005 18:13:28 +0000
John Stanzione of Pantone wrote:
> The CMYK data is based on the PANTONE solid to process guide coated.
> Thus, the values are based on the workflow, which is clearly outlined in
> the copy pages of the printed Guide. While the inkset used meets ISO
> requirements for SWOP, the workflow does not necessarily conform to all
> components of SWOP.
>
> Here is the information from the printed Guide:
>
> Color Run Sequence and Screen angles:
>
> K @ 45 degrees
> C @15 degrees
> M @ 75 degrees
> Y @ 0 degrees
>
> Wet Ink Target Densities:
> Black 1.75
> Cyan 1.30
> Magenta 1.42
> Yellow 1.00
>
> Line Screen:
> 175 lines/inch
> (69 lines/cm)
>
> Paper stock:
> #1 grade 60 lb. gloss coated cover stock
>
> Dot Gain Target Measurements
> 25% 50% 75%
> Black 19 25 18
> Cyan 14 24 15
> Mag 14 21 15
> Yel 12 19 14
>
> I hope you find this information helpful.
So...
If you are printing to any standard; ISO, GRACol, SWOP; the process colour
version of a solid Pantone will not match the 4c swatch sold by Pantone to
our clients!
If we run to the above 'spec' the images will not match, unless we
re-profile/process control to these printing conditions. (The mageneta/cyan
densities are weird.)
So what possible use are these Pantone solid to process guides?
Why cannot they be produced to known international standards?
Paul Sherfield
The Missing Horse Consultancy Ltd
Telephone: 01442 871752
Mobile: 07899 906385
Apple Solutions Expert-Print & Publishing
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