Users's guide to hues and the magic of sensing an infinite spectrum with only 4 types of light sensors in the human eyeball, and to the difficulties of reproducing that magic for print and RGB display. A case of dimensionality reduction, one of histories more lengthily studied.
- Just noticeable difference in colour (also important in machine listening descriptors)
- SANDIA colourmaps
- Robert Simmon's fascinating introduction to colour for NASA
color in Inkscape
- Imitation Pantone Palette for Inkscape etc (I don't know if they suffer from copyright issues, but this vanished regularly enough that I have suspicions.)
- Where to put your color profiles:
colour in imagemagick
colorspace conversions are a little bit hidden in imagemagick.