Links to Creative sites
From ColorWiki
Here are some interesting websites that help one determine what colors go well together. Most of these are free or offer a trial version.
http://www.artindustri.com/art_advice/scheme.php
http://www.easyrgb.com/harmonies.php
A Photoshop file that allows you to quickly call up complimentary colors with different shades.
http://www.albinoblacksheep.com/text/picker
A little bit of the science and theory of how and where to use colors: