[R] Color schemes that work for people with color-deficient vision
murdoch at stats.uwo.ca
Wed Nov 3 02:23:29 CET 2004
On Tue, 02 Nov 2004 13:04:48 -0800, Scott Waichler
<scott.waichler at pnl.gov> wrote:
>A recent article in the earth science literature cited below and available at
>points out that rainbow color schemes and mixtures of green and yellow
>can be troublesome for people with color-deficient vision.
>The authors propose alternative schemes that can be viewed and downloaded
>in RGB, HSV, CMYK, and RGB256 formats from
>I have translated their RGB definitions into the hex color names given below.
Thomas Lumley has just written a couple of functions that make
experimentation with scales like this a lot easier. They're currently
in R-devel, and will appear in R 2.1.0 next spring. If you want to
play with them before that, you can get the source and the docs from
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