According to Prof. Dr. Bhatt, 3 Fa colors are Red, Orange and Yellow and Maa colors are Green, Blue and Violet. He has developed 6 Health Pyra color plates and a supporting plate with white color. This is Health 9x9 and  it is used as a  pair for health and healing.
Normally you use single white plate. But appropriate color plate at the required location and one white plate in the opposite side can give better results.

RED - Hot color, color with the greatest penetration, strongly stimulates flow of blood.
Indication: Poor circulation, inflammation, chronic cough, asthma, anemia, eczema.

Gives energy, makes joyful, color of the sun.
Indication: Pessimism, psychosis, depression, fear, emaciation, tiredness.

Fortifies the endocrine system, makes chronic processes acute.
Indication: Diseases of digestive tract, strengthens the nervous system.

Neutral color, treats chronic problems, sedative, soothing, relaxing.
Indication: Whooping cough, inflammation of the joints, tumors, ulcer, eye diseases, diabetes.

Cold color, has a relaxing effect, valuable in treatment of all diseases involving heat.
Indication: Pain, congestion, hemorrhoids, warts, sleeplessness, frigidity, menopausal difficulties.

Acts on consciousness, promotes awareness, prepares for meditation.
Indications: Lymphatic system disorders.