Re: use of sRGB as a default
Re: use of sRGB as a default
- Subject: Re: use of sRGB as a default
- From: John Zimmerer <email@hidden>
- Date: Mon, 21 Jun 2004 01:28:20 -0700
Look people, I'm not claiming Generic RGB is the best profile on the
planet. I'm saying that we've done several empirical tests with images
from various sources, and memory colors looked how we remember them
using Generic RGB, and they often looked wrong using sRGB as source.
When placed side by side, the Generic RGB images were consistently
preferred over sRGB images.
Apple has chosen not to compromise color by default. If you choose to
override the default and embed a profile, that's up to you.
JZ
On Jun 20, 2004, at 11:33 PM, David Burren wrote:
On 21/06/2004, at 4:14 PM, John Zimmerer wrote:
The issue isn't gamut size, it's where certain hues land inside the
gamuts. Find an image, like the red bridge reference image, with a
vivid blue sky in it, duplicate the image, then assign Generic RGB to
one and sRGB to the other. You'll notice the sky is much more purple
in sRGB than in Generic RGB.
Um, yes.... So what? That doesn't say that sRGB is "worse" or
"better" than "Generic RGB", just that they're different. And that
for the colours in that image, "Generic RGB" is probably a closer
approximation of the image's original colour space.
What was your point? Your points re 1.8/2.2 gamma about "average"
viewing environments and the resulting gamma of the entire viewing
environment are interesting, but on the whole I'm yet another person
who's been finding your arguments for assuming something other than
sRGB to be somewhat lacking in substance.
"This bridge image looks nicer when Generic RGB is assumed" is not of
itself a solid argument.
"The rest of the world assumes sRGB for most untagged images" _DOES_
sound like a fairly solid argument.
__
David Burren
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