Is there anything wrong with using black bathroom doors in geomantic omen?

Is there anything wrong with the geomantic omen that the bathroom door is black? 1. It is not suitable to use black indoors, and black is a dead color. 2, you can use red, red can avoid evil spirits. 3. It should be noted that the decoration in the dormitory should be tender and not too old-fashioned. Tender, it looks bright and yang in the room; Old, it looks gloomy and gloomy indoors.