Abstract
The different color has the different physical properties; these attributes will have the function to person's eye and the psychology, and will exert an influence on symbolic significance and the sentimention, even the psychological illusion. Through this graphic designs with the subject of "The only color ", analysis and research the color psychology, propose how to use the psychology and the emotion of color during graphic design, expresses visual information shows from the modern graphic design, thus will form a visual image which full with individuality and the cultural connotation.
Key word: Color psychology ；Graphic design ；Poster
