Graphics, Illustration and Visual Communication Design The Study of Emotion Illustration by YoonJe Yang Various psychologies were melted in the process of coloring. Humans feel the color psychology such as passion in red and calm in blue. People feel different even if they experience the same thing. This is the blending of various emotions through color. The reason why only dark shades are colored means the inside of the person who does not know if he or she does not speak. Through the process of dressing patterns, the inside becomes more complex.