Hi,
You're talking about ECIrgb and LStarRGB.
What about Adobe RGB 1998?
Is Adobe RGB 1998 not sufficiant anymore as RGB-colorspace?
Should we change to ECIrgb or to LStarRGB?
And why should we change?
Kristoff Decroix
Roularta Publishing
Repro Quadri / Color Management
kristoff.decroix(a)roularta.be
tel 00-32-(0)51-26 69 59
-----Oorspronkelijk bericht-----
Van: eci-en-admin(a)lists.transmedia.de [mailto:eci-en-admin@lists.transmedia.de] Namens
Karsten Krüger
Verzonden: woensdag 1 juni 2005 9:38
Aan: eci-en(a)lists.transmedia.de
Onderwerp: Re: [ECI-EN] ECIRGB versus LstarRGB 2
Am 01.06.2005 um 00:27 schrieb Chris Murphy:
Personally, I would edit in the largest space you can
find and just
stick with it. I regularly use ProPhoto RGB. It's honking huge. On the
surface this doesn't sound like it would be an advantage just because
the gamut is so much larger than anything you'd print to, what's the
point? Well, because the gamut is so large, there it also has a larger
shadow end gamut as well, and there are quite a few colors that exist
down there that *are* printable, in particular on ink-jet printers,
but do not exist in smaller RGB spaces.
Chris,
I agree with you that a large colorspace has benefits. But you have to
be very conscious on what you are doing. Using ProPhoto RGB leaves you
with just one choice of color rendering: colorimetric. If you are using
photographic rendering your resulting image will be very small compared
to any other RGB colorspace. But colorimetric rendering is often not
sufficient, because there are likely out of gamut colors in digital
photography (i.e. in blue tones). For my experience the most
predictable and accurate reproduction of an image will happen when you
are as close as possible to the final output colorspace, which for
ISOcoated / european CMYK is LStar-RGB / ECIrgb and for internet
related work sRGB.
An other drawback of ProPhoto RGB is that you will hardly find a
monitor that is able to reproduce the whole colorspace. So you end up
editing data you are not able to see on your monitor and not able to
print out later...
Thanks for your comments anyway,
Karsten
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