Red, long the color of romance, is appropriate in reasonable doses in your bedroom according to Feng Shui. If a little is good, a lot is better does not apply here. Feng Shui is about Balance.
A pair of red candles is good, but you must light them and they should burn fairly equally.
Red artwork, preferably with a pair of something depicted in it is good as well.
A pair of red pillows, great!
No red beds-that’s too much.
Too much red and somebody will get burned.