Here is some color theory sites for you.
http://www.sibagraphics.com/colour.php
http://www.color-wheel-pro.com/color-meaning.html
A nice little site color designer tool:
http://websitetips.com/colortools/sitepro/
I remember seeing a ethnic color definition table once, but, can't find it right now. It had things like red meant virginial in India, which is why their wedding gowns are not white, etc.