This is an old revision of the document!
NASA
- “USING COLOR IN INFORMATION DISPLAY GRAPHICS” > http://colorusage.arc.nasa.gov/
- colour picker using the Munsell color system » http://colorusage.arc.nasa.gov/ColorTool_appletMac.html
food colouring
other
- “preview a set of linear interpolated equidistant colors.” http://vis4.net/labs/185
- Adobe's interactive, online colour-scheme picker > http://kuler.adobe.com/
- “Why Programmers suck at Picking Colors” > http://www.betaversion.org/~stefano/linotype/news/108/
nik