Pick colors that mean something to you. Choosing interior paint colors is a personal choice and should reflect your sense of style. Try to pick colors that will complement the other features of your home such as the florring and countertops.
consider the size of your room and the amount of light.dark colors close up and darken rooms.and never choose a color in the store.buy a sample and try it first.
Select colors that compliment the flooring, furniture, window coverings, appliances and other fixtures in the room. Observe those colors under various lighting conditions (sunlight vs. artificial light, direct vs. indirect).
You can try with different colors of paint on each wall. Good thing is light ceiling and dark colors on walls. I specially like warm colors of blue and green, it's make my mood very good.