RE: In search of a D50 Editing colorspace
RE: In search of a D50 Editing colorspace
- Subject: RE: In search of a D50 Editing colorspace
- From: Roger Breton <email@hidden>
- Date: Wed, 03 Sep 2014 14:45:41 -0400
Moral of the story, stick with D50-based RGB space?
/ Roger
-----Original Message-----
From: colorsync-users-bounces+graxx=email@hidden [mailto:colorsync-users-bounces+graxx=email@hidden] On Behalf Of Lars Borg
Sent: 3 septembre 2014 14:34
To: Colorsync List
Subject: Re: In search of a D50 Editing colorspace
A key point that many seem to have missed:
With ICC profiles, ALL editing spaces are effectively D50, including sRGB.
If you examine for example the sRGB profile, you'll find that it converts device values to D50 colorimetry.
You'll also find that the chromaticities in the XYZ tags don't match the sRGB spec, as they've been chromatically adapted to D50.
It has a non-D50 white point tag, but this is not used for relative colorimetric. It's very useful for finding the original D65 chromaticities, though.
So in the search of a properly sized workspace profile, no need to limit your search to a D50 white point.
Or please show me a case where the above doesn't hold true.
Lars Borg
Adobe
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