Yellow – Promotes blood and skin purification, neuromuscular tone, and optimal nervous system function. Aids with indigestion and bodily distress.

Yellow light is often used for conditions such as constipation, gas, liver problems, diabetes, and eczema. 

Spiritually, the color yellow governs the solar plexus 3rd chakra (naval), where personal power, self-esteem, and inner strength reside.