Abstract:In order to solve the problem that the traditional method is very complex in the calculation process and the collection of professional knowledge is incomplete, which can not cover the whole field of color matching and has no unique optimal solution, the method of reasonable color matching of interior decoration materials is studied by genetic algorithm. Chromosomes in genetic algorithm are encoded by three-dimensional components and colors. The RGB is transformed into HSL, and the coefficient of color disharmony is calculated. The harmony degree of color matching of interior decoration materials is fully analyzed, and the visual comfort degree is obtained. The fitness function of color matching for interior decoration materials is composed of three parts: harmony degree of color matching, harmony degree of color matching and visual comfort degree. Through the selection, crossover and mutation of genetic algorithm, the individuals with the highest fitness are obtained, and the stopping iteration conditions are set to get the reasonable color matching results of interior decoration materials. The results show that the color matching results of the proposed method have better color comfort; through the color matching results evaluation survey, it is found that most customers are very satisfied or satisfied with the color matching scheme of interior decoration materials obtained by the proposed method, and the method is simple to operate. It can be seen that the proposed method has reasonable color collocation and superior performance.