From the light, the color from nature, the power to convey feelings and emotions, the graphic design of the overall visual system gives the audience the first visual effect, and is one of the most important elements of graphic design. The book Color Laws - Brands and Logo Design uses color as the theme to collect brand designs from outstanding designers around the world, most of which are only matched by a single color or similar colors to a simple background. Many of the works that are simple and uniform in style and seemingly “monotonous” in color are actually carefully selected and designed with careful color, which creates an impressive visual effect. The red, orange, green, blue, and purple, the secret of the rainbow, is never so simple. The color rule of it allows the readers to find out.