In fact, your home decoration color is a bit heavy. If you use dark color again, it will make people feel depressed, which is called environmental depression in psychology. However, if you use light color, it will be too abrupt. Because the overall color is relatively heavy, you should consider using some harmonious and soft colors, but you can't lack colors that conflict with your overall decoration. So I recommend you to use light brown or apricot curtains, and I suggest you use black lace, so that your curtains won't look monotonous. I hope it helps. For example:

(brown)

(apricot yellow)