The color matching of plastics is the key to the coloring of plastics. Only with good color can we make a good product. In the color matching process, first of all, to determine the application requirements of the product, and according to the coloring properties of the plastic material, select the appropriate colorant. When selecting the color, the technician should strictly check the color, tinting strength, dispersibility, performance, processing balance stability, mixing and cost of the available pigments, and then select the pigment to be used. In addition to relying on the technical expertise of the technicians, the color selection and color matching effects require technicians to have sound visual functions. At the same time, it depends on high-tech color matching instruments and equipment. This article on plastic color matching procedures and color matching methods.