RE: RGB vs CMYK: some experiments

From: Jason DeFontes ^lt;>
Date: 12/03/04-11:35:25 AM Z
Message-id: <>

That's where I was headed, but I didn't want to speculate any further
without getting my hands dirty. Will be trying this with my EyeOne as soon
as I've got enough time to do something other than write emails...


> -----Original Message-----
> From: Jim Morris []
> This statement is true as the "default" CMYK set-up in Photoshop will
> attempt to gray balance the channels based on the spectral
> qualities of
> SWOP inks; but, for those so inclined, you can measure the L*a*b*
> coordinates of you gum pigments as they print on paper and
> replace the
> SWOP values with your pigment values in the custom ink set-up.
> Theoretically, Photoshop should attempt gray balance based
> specifically
> on your gum pigments (this, of course, assumes that you are trying to
> achieve realistic color using CMY pigments).
> Jim Morris
Received on Fri Dec 3 11:35:44 2004

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