Their are gazillions of colors to choose from, so here are some pages to color browse. Try them out to see which one is the easiest for you to work with. Simply copy the 6 character hex code, which looks something like this #FFFAFA or 000066, and send it to me. Probably the coolest color picker is the bottom one, the Adobe color combiner.
VisiBone hexdecimal html colors (much more limited)
VisiBone color lab for combining colors
CSS color chart – quite extensive
Adobe color combiner
Web Safe Colors
Everything About Colors