U-DACT tests for informal comparison (Adobe RGB gamut?)
U-DACT tests for informal comparison (Adobe RGB gamut?)
- Subject: U-DACT tests for informal comparison (Adobe RGB gamut?)
- From: Henk Gianotten <email@hidden>
- Date: Mon, 03 Dec 2007 17:06:00 +0100
At 15:19 3-12-2007 +0000, you wrote:
On 3 Dec 2007, at 14:04, Martin Orphen wrote:
I had an Eizo on test here about 18 months back. It couldn't do cyan
either.
That's why I think that pushing monitors to fit AdobeRGB is a waste of
time.
AdobeRGB hasn't a big enough gamut to handle 100% cyan used on sheet
fed litho.
--
Martin Orpen
Yes, that's not a realistic goal.
You have to drop the cyan values to C = 56,4 (chroma) instead of 62 to
reach the
Adobe RGB values. CIE-a = -33, b = -45 instead of a = -37 and b = -50.
Softproofing systems know this. The good thing: we don't like cyan as a
house style
or textile color very much so in most western countries pure cyan is not
harming
most digital pictures. If the digital systems (like sensors) could capture
pure cyan
it could be a problem. Most of them are sRGB and that's even worse.
Henk Gianotten
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