Need a color mood boost today? We sure do! This easy, lower budget fix can make all the difference. Zillow research shows that sellers who replace or paint their front door can see higher offers. The most popular color is actually classic black, with the seller receiving an extra $6,449 on average. Slate blue doors net around $1,537. Olive green can net sellers around $969. That's pretty good considering a front door makeover may only cost around $200.