The Psychology of Colors

Red increases physical energy, vitality, stamina, grounding, spontaneity, stability, passion, and hunger.
Orange stimulates creativity, productivity, pleasure, optimism, enthusiasm, and emotional expression.
Yellow increases fun, humor, intellect, logic, creativity, and personal power.
Green supports balance, harmony, love, nature, and acceptance.
Blue increases calmness, peace, love, honesty, kindness, truth, inner peace, emotional depth, devotion, and serenity.
Purple stimulates intuition, imagination, meditation, and artistic qualities.
Pink is the color of unconditional love. It supports nurturing qualities and emotional balance. Pink is the color of harmony.
Brown relates to security, protection, serious-minded individuals, and material wealth.
White symbolizes purity, completeness, and perfection. It is the color of wholeness and innocence. 
Gray is an unemotional color. It is detached, neutral, impartial, and indecisive. It is the color of compromise.
Black is the color of the hidden. It keeps things bottled up inside, hidden from the world. This color creates an air of mystery.