Re: some thoughts on CIELAB
Re: some thoughts on CIELAB
- Subject: Re: some thoughts on CIELAB
- From: "Bruce J. Lindbloom" <email@hidden>
- Date: Fri, 07 Feb 2003 11:12:57 -0600
Robin Myers wrote:
>
As for XYZ being a worse choice I disagree. It is linear in color
>
mixing, all the coordinate values are positive, when projected onto xy
>
diagrams, lines of constant hue exhibit much less curvature.
Graeme Gill replied:
>
Constant hue in what terms ? Perceptual ?
>
I didn't think there were any "golden" standards on what
>
defines a perceptually constant hue. Munsell values are
>
often used as a guide...
Readers who are interested in making their own judgements of the
"straightness" of the Munsell lines of constant hue, projected onto the xy,
a*b* and u*v* planes may do so here:
<http:/www.brucelindbloom.com/MunsellCalculator.html>.
--
Bruce J. Lindbloom
email@hidden
http://www.brucelindbloom.com
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