From this article:

One expert on color, Leatrice Eiseman, has only good things to say about red. “Red is the color of the heart, of sensuality,” said Ms. Eiseman, the executive director of the Pantone Color Institute. “It works well virtually anywhere in the home, and works particularly well in the bedroom.”

When it comes to choosing colors, Ms. Eiseman said, “I don’t like rules, but there are general guidelines.”