When we shop in the mall, brightly colored products always quickly catch our attention because they stand out among many products. Therefore, the use of color is of great significance for product packaging design. If the colors are used well, the product will quickly stand out. When designing product packaging, color techniques should pay attention to the following points: firstly, the relationship between color and packaging materials; The second is the comparative relationship between color and color itself. These two points are the key to color application.