What about dark red curtains and feng shui?

Red curtain geomantic omen In traditional culture, red represents happiness, which is a symbol of enthusiasm, celebration and heroism. In geomantic omen, the five elements of the East belong to wood, which is full of vitality and symbolizes the spirit of youth and courage. The curtains used in the eastern position should be red, which is easy to make people full of energy and conducive to career and study.