Print Designers have it easy, you know. They get things like Pantone Books, and well, things like that. Time to even the score? I think so, and obviously so does Adobe.
Until recently, I'd touted ColorJack as the best place to gen-up on colour theory and match colours, and it's still pretty good. But Kuler, from Adobe Labs, is awesome for matching up colour schemes. Even better than that, you can save your schemes and share them with others. If you're stuck for inspiration, take it from someone else's scheme. If you need a good match, you can use Kuler's tools to pick a theoretical partner.
Go ahead, check it out.