Re: Colormatch vs Adobe 98
Re: Colormatch vs Adobe 98
- Subject: Re: Colormatch vs Adobe 98
- From: email@hidden
- Date: Tue, 29 Jan 2002 12:17:43 EST
In a message dated 1/29/02 10:56:03 AM, email@hidden writes:
>
Although they are well known and often recommended, neither ColorMatch
>
nor
>
Adobe 98 can be considered 'good' RGB spaces as they both clip saturated
>
colors (especially reds, cyans and magentas) which could have been printed
>
on a good offset press.
Hi Don,
This is a good description of the virtues of wide gamut spaces, with no
reference to the weaknesses of such spaces. To make it brief: they do not
display accurately on monitor, they get clipped by ICC Lab space during
conversions (they are shaped rather like a round balloon blown up inside a
smaller rectangular box), and they use RGB primaries outside of the visible
spectrum, as well as sometimes outside of ICC Lab, making vector colors like
<0, 255, 0> problematic, sort or a correlary problem to the clipping that
occurs with smaller spaces. Finally there is the fact that using wide spaces
with 8 bit per channel images risks banding caused by stretching the 256
available levels too broadly.
C. David Tobie
Design Cooperative
email@hidden