Help with bedroom. need help with wall colour. 10 points?

ok. i finally have my own room. im a female and im 20 (yes, tad old to finally have my own room but anyway lol) i do think colours in a house really make an impact on mood. i do want a feature wall in my room but i dont know what colour. im stumped. my furniture will most likely be chocolate brown. any help on the colour of the wall or feng shui or any mood stuff?? 10 points :) thanks guys