If you are thinking of selling, you will easily get 100% return on painting your house if....... you use the correct colors.
Zillow did some research on colors that sell, here are their findings:
Blue (light blue to soft gray-blue): home sold for $1,809 more on average
Yellow (straw yellow to marigold): home sold for $820 less on average
Blue/purple (light powder blue to periwinkle): home sold for $5,440 more on average
White/no color (off-white or eggshell white): home sold for $4,035 less on average
Blue (light cerulean to cadet blue): home sold for $1,856 more on average
Pink (light pink, to antique rose; often found in kids rooms): home sold for $208 less on average
Blue (slate blue to pale gray blue; navy blue also found in dining rooms with white shiplap): home sold for $1,926 more on average
Red (brick red, terracotta, or copper red): home sold for $2,031 less on average
Brown (light beige, pale taupe, oatmeal): home sold for $1,809 more on average
Blue (pastel gray, pale silver to light blue, periwinkle): home sold for $820 less on average
Gray/brown (greige — mix of gray and beige): home sold for $1,526 more on average
Brown (medium brown, taupe, or stucco): home sold for $1,970 less on average
Gray/blue (navy blue to dark gray or charcoal): home sold for $1,514 more on average.
Best money spent is on the right color of paint. Of course this is for the current market and trends change. So if you are selling in 5 years and think you should just go ahead and paint your dining room slate blue now -STOP! The popular colors for houses may be totally different in 5 years.
If you have no plans to move, paint whatever color you want! If you do decide to sell, remember to keep paint in your budget before your house hits the market.