Zillow shares information on front door colours and home sales. During their study actual and potential home buyers answered survey questions: “Homes with a front door painted slate blue — a chalky light blue-gray colour – received the top overall scores. Actual and prospective buyers were more likely to want to purchase the home and, on average, would be willing to offer an estimated $1,537 more. . . . A black front door was associated with the highest offer price,…