depending on what pattern you are using;;
i would recommend the following colors;;
2 colours;;
-black & red
-black & yellow
-yellow & orange
-green & blue
or for 3 colours;;
-red & yellow & orange
-black & white &[colour of your choice]
-blue & green & yellow.
4 colours;;
-red & yellow & orange & white
-blue & green & light blue & light green.
Another Answer
How bout some complementary or analogous colors! Just go to your favorite search engine, and type in "color wheel" or "color theory". It starts from Red, Yellow, and Blue and ends where your imagination does!
In fact, here is a great Wikipedia link to get you started:
http://en.wikipedia.org/wiki/Color_wheel
Check it out and fire up your imagination!