It causes the opposite reaction as red. Peaceful, tranquil blue causes the body to produce calming chemicals, so it is often used in bedrooms. Blue can also be cold and depressing. Fashion consultants recommend wearing blue to job interviews because it symbolizes loyalty. People are more productive in blue rooms.
Studies show weightlifters are able to handle heavier weights in blue gyms.
Currently the most popular decorating color, green symbolizes nature . It is the easiest color on the eye and can improve vision. It is a calming, refreshing color. Hospitals often use green because it relaxes patients. Brides in the Middle Ages wore green to symbolize fertility.