This color picker gives you complementary tones.

I'm pretty sure Jared Tarbell created this awesome Flash interface I found yesterday. Users mouse over colored blobs, and click to retrieve inventory items matching those colors.

This color picker creates a palette based on an image URI.

I just realized I never posted my favorite color-picker to del.icio.us.

Adobe's new online color picker has Digg-like crowdsourcing features. You can create a palette for other users to vote on. I'm not crazy about the UI, however.

University-approved color formulas for burnt orange. #CC5500 == hook 'em!