So... your wanting to color. This is the base for almost anything. So... you need a scheme.
Color all depends on you. No, I'll word that differently. The colors you use to express you have to be chosen by you. Now before I start with what you may like according to personality, age, purpose, room, and function, I'll go over how to get a color scheme that is guarantied to look semi OK.
Starting with a kindergarten tool: THE COLOR WHEEL!
Now, you may be thinking that these are colors you would never, ever use in your house, but as you may not paint your house blue, yellow, and red, all other colors start with these!
No matter what your style, these are good basic principles.