Re: Rel vs Abs proofs
Re: Rel vs Abs proofs
- Subject: Re: Rel vs Abs proofs
- From: Marco Ugolini <email@hidden>
- Date: Fri, 13 Oct 2006 12:28:33 -0700
In a message dated 10/13/06 12:25 PM, email@hidden wrote:
> Au contraire. The problem is that such whites are usually comprised
> of something like yellow plus the tiniest amount of either magenta or
> cyan. This then becomes annoying because the cyan or magenta dots
> become too dispersed.
On an Epson plotter those small amounts of cyan and magenta are more likely
to be composed of higher amounts of light cyan and light magenta inks, not
of sparser amounts of regular cyan and magenta.
> Perhaps, but this is a 10degr. observer problem.
Perhaps.
> Which basically
> means we do not have the slightest idea how to codify the color-
> error. I recently bought a kitchen. There is a visible red-green
> difference between front elements. So I grab the old spectrometer.
> Turns out there is a 0.3 delta E difference...
Man, aren't you a sensitive one... :-)
How high do you score on the 100-Hue Farnsworth-Munsell color test? And the
Sahlgren and Anomaloscope tests? And the Ishihara and Hardy-Rand-Ritter
tests? I'm curious...
--------------
Marco Ugolini
Mill Valley, CA
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