I'm no graphic designer. I don't know color theory. If you're like me, you need help, and here it is.
When designing web pages a good color scheme is important
. For every tint there are colors which it can co-exist with, and those which it just shouldn't. Some combinations are uncomfortable, or disturbing, while others are pleasant or even invigorating.
Experienced designers choose colors intuitively. Many people can just sense which colors go together well and which don't. However, finding the best combination of colors may be sometimes long and gruelling work.
Color theory makes the work easier. This tool will find sets of colors you can start with and allow you to tune your choices for a more optimal color palette. Check it out
[Thanks to David Galbraith
for the tip.]