the collection http://yabbles.deviantart.com/favourites/#Your-Door-Is-Ajar
a blue door or gate is an effective talisman against evil - much like a horseshoe hung above the door.
Many folk magic traditions and customs maintain that a witch cannot cross a blue threshold. "
Paint It Black by Diprivan
In China, it's tradition to paint the front door red before the new year, to invite good luck and happiness.
The Red Door... by arashi3927red door2 notre dame by groovebunny404 by NormallyTwisted
In Catholicism, the red door on a chapel symbolized the blood of Christ, and other martyrs, to signify that the ground beyond the door (inside the church) was holy, and a sanctuary from physical and spiritual evils.
:thumb122151919:The Red Door by VerityspesRed Door by Aquariana
In Ireland, front doors are painted red to ward-off ghosts and evil spirits.
758 by electricsugar99:thumb121834