It really depends on the room and the look you want to create. For bedrooms - dark to refreshing mocha, sienna, brick red, rasberry pudding, strawberry Rhubarb, pink parfait, butternut, blueberry sapphire, mulberry or pineapple.  For formal larger baths bold and dramatic black/white, royal blue, orchid, or burgandy, sienna, emerald, or chocolate.  Kitchen light and airy orange tones, yellow tones, berries and cream - rustic should be deeper tones of reds, oranges, browns and bronzes.  smaller baths  shades of blue or black & white, lavendar, lilac, cotton candy pink, sienna, rose, mauve mocha, or chocolate