Red — raises a room’s energy level. The most intense color,.
Red has been shown to raise blood pressure and speed respiration and heart rate.
Yellow — captures the joy of sunshine and communicates happiness. In large amounts, this color tends to create feelings of frustration and anger. In chromotherapy, yellow is believed to stimulate the nerves and purify the body.
Blue — is said to bring down blood pressure and slow respiration and heart rate. That is why it is considered calming, relaxing and serene
Green — is considered the most restful color for the eye.
Green also has a calming effect when used as a main color for decorating. It is believed to relieve stress by helping people relax.
Orange — evokes excitement and enthusiasm, and is an energetic color.