Our latest inspiration is a timeless trend that brings elegance to any space in your home. Black doors are a crisp contrast when paired with neutrals or a black and white color scheme, leaving a dramatic impact. They bring a fresh perspective on the classic white or wooden doors, while still being a neutral color that blends beautifully into dark floors or can even disappear entirely into a dark wall to create a space that feels bigger. Black french doors create a beautiful frame to the adjoining room or outside view, while solid black interior doors balance other dark voids in the room, such as a television. The finish on this classic color can be tailored to the style of the home; matte as a modern, understated look and glossy for a more elegant space. Black is no longer a color used just for exterior doors. Bringing this color from the front door to the office door, updates a space in an unexpected and fresh way.
Source: http://www.elledecor.com/design-decorate/room-ideas/g2729/displaying-art-guide/?zoomable
Source: https://athoughtfuleye.wordpress.com/2011/01/14/jean-de-merry/