What I have learned is that color is part of everyday life. That every color has a secret meaning behind it. Color has a purpose for everyone. 

Red: It enhances human metabolism, increases respiration rate, and raises blood pressure. It has very high visibility, which is why stop signs, stoplights, and fire equipment are usually painted red.
Green: It symbolizes growth, harmony, freshness, and fertility. 
Blue: It symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven.
Black: power, elegance, formality, death, evil, and mystery. 
White: light, goodness, innocence, purity, and virginity. 
Purple: It symbolizes power, nobility, luxury, and ambition.
Yellow: It's associated with joy, happiness, intellect, and energy. 
Orange: fascination, happiness, creativity, determination, attraction, success, encouragement, and stimulation.
Brown: stability and denotes masculine qualities, harvest and fall.

Work cited: foodhttp://www.color-wheel-pro.com/color-meaning.html