Different emotions and messages are produced through different colors. Believe it or not color is a powerful element. There is psychology behind color. Colors with their different meanings influence content, whether it be in the typography, image, or the message.
There are different wavelengths to colors . The different wavelengths effect how a color is processed in your mind. Color like red and yellow which are warm colors have long wavelengths. They take longer to be processed. Colors with shorter wavelength are processed without as much energy creating a soothing, calming feeling. Cooler colors include, blue, green, and violet.