A black standing mirror will easily act as a centerpiece with its crisp dark lines around the border. A dark frame on a black stand-up mirror offers a beautiful contrast between the mirror itself and the border.
The black floor standing mirror will provide your room with a modern vibe while not drawing attention from the other decorative pieces because of its simple, solid color. Additionally, the color black has long been associated with strength and power, so your black frame standing mirror will also add a sense of formality to your room without being overpowering.
A black mirror with a stand will also give a grounding effect to the room. Since the standing mirror is on the floor, viewers will perceive a minimalist and rooted feeling when they see your black standing mirror.