This article is about how we feel about the certain color and it also used as therapy. The article start with saying origin of color. The color discovered by Newton. He experience light in to prism and it end up with seven different colors: red, orange, yellow, green, blue, indigo, and purple. These colors are make totally different mood and feeling. For example, when people see blue, they feel calm and cool. The colors become great comunication method for designers. The color used as signal action, influences mood, and cause pshcological reaction. Certain color can raise blood pressure, increase metabolism, or cause eyestrain. Of course that it depends on culture or personal. for example, the color, white, symbolize purity in western country, while it means mourning many eastern country. This article is really catch my eye because this is the information that we as designers should know about. not only the form and function, the color does many things. For example, if there are man who wear red shirt, then most people recognize him as red shirt not how the shirt look like.