Chromotherapy is a popular method for affecting mood, relieving stress, and promoting increased psychological and emotional wellness, with roots in the ancient healing traditions of India, China, and Greece. According to such traditions, each color corresponds to a specific mood or physical response. Enhance your bathing experience with a pair of these unique lights (4 lights max. per tub) that showcase a variety of colors, including red, orange, yellow, green, blue, purple, and pink. (One set of 2 lights comes standard with all Platinum packages. A single fixture supplies all colors.)