A lot depends on if your door is recessed or gets plenty of light. You don't want a dark color if it is in an alcove like some of these houses have. Buy up some sample jars and test the colors. If you can use it, a flat charcoal would be lovely! If you are limited on light, try gray with the woodwork painted white! My front door is recessed and it is painted the same color as the house with white accents.