Colour..

Loads of links on colour theory, symbolism etc. Please add to the list !

www.worqx.com/colour
www.cs.brown.edu.courses/cs092/VA10/html/start.html
www.liquisoft.com/colourtheory.html
www.bway.net/~jscruggs/add.html

www.paintcafe.com/en/couleur/language/symbolique/rouge.asp

http://users.belgacom.net/symbolisme/rainbow.htm

http://desktoppub.about.com/cs/color/a/symbolism.htm

organisations--

http://www.freedomtreedesign.com/ourteam.asp
http://www.nipponpaint.co.jp/design_e/
http://www.global-color.com/
http://www.colormarketing.org/
http://83.168.206.163/webbizz/mainPage/main.asp

image- www.corbis.com