Oh me oh my, I have found a new love. It's a little site called Colour Lovers. If you are having a hard time choosing your wedding colors or just want some fresh ideas for home decor, etc., I would highly recommend this site.
It is especially good if you have your focal color picked out, but are having a hard time choosing your accent colors. You can find your focal color, and then choose the option to see "palette" suggestions containing that particular hue.
For example, let's take one of my favorite shades of the moment:
a primrose color called "hopeful" on Colour Lovers:
As you can see, one color can take you in so many different directions. Happy color picking!