so the first thing that pops into my head when I saw this was "wow that is a very purple door". the second thing was "it would be easy to give someone directions to your house. you would just be like its the purple door house.
Purple door means a witch lives here. I need to find a way to cover mine in purple, since I can't paint it. Now, when I own my house, I will definitely paint the front door purple. And probably have a spider web in the adorning the glass.