I dug these up for somebody:
http://www.colorschemer.com/online.html
http://www.behr.com/behrx/workbook/
http://www.triplecode.com/munsell/
http://www.defencemechanism.com/color/
http://wellstyled.com/tools/colorscheme2/index-en.html
http://colormixers.com/mixers/cmr/
http://colormatch.dk/
http://www.colourlovers.com/
http://returnofdesign.com/colors/
Some really useful apps for the creatively stunted among us..
-K