YELLOW relates to the SOLAR PLEXUS chakra, situated below the ribs
The organs to which this chakra relates are the liver, spleen, stomach and small intestine. The endocrine gland is the pancreas.
On the psycho-spiritual level, yellow relates to self worth. How we feel about ourselves and how we feel others perceive us. This is the area of the personality, the ego and the intellect and of self confidence.