How do colors in the workplace affect employees' moods & attitudes?

Colors have been scientifically proven to affect a person's mood. Workplace should have light colors, such as white and blue ( blue is the most releiving color to the eye ) wich can create a comfortable atmosphere for the employees, hence increasing their productivity. An example of irritating color workplace is McDonalds, where yellow and red make you feel annoyed. That's why we notice in most Dealerships,offices and even schools they use White.