White: Creates a sense of freedom and open space, gives strength and vitality. In very large walls, it creates a sense of coldness and loneliness.
Blue: Refreshes and relaxes, especially dark tones (such as the evening sky). Enlarges rooms. It is suitable for hot living rooms and bedrooms.
Yellow: Happy, encouraging, and helps to stay alert.
Grey: Associated with evasion and self-sufficiency.
Pink: Stimulates creativity and activity. It can give an air of luxury and mystery.
Black: Makes a space seem smaller. It can transmit concern or fatigue. Combined with red it gives energy.
Ochres and earth tones: Convey peace and harmony.
Orange: Happy and relaxed, it tones and energizes. Some restaurants use it because it can make people hungry.
Green: Soft tones generate a sense of comfort, rest and quiet (it is the most common color in the natural world) and are often used in schools and hospitals; dull greens, such as olive, generate feelings of neglect.
Red: It is the color of
action, warmth, and stimulates movement. Over time it can be tiresome.
Some fast food restaurants use it to increase customer turnover.