Is it bad for feng shui to paint the girl's room black?

Disadvantages are divided into two aspects: first, black is water, numerologically speaking, if you are born with peach blossoms, you will be in an environment with five colors of water, which is chaotic and unfavorable to your feelings; If you like to think of God as fire or earth, black water will be bad for people. Second, if the room is painted black, just like a black box, what do you think it would be like to live in a black box?