Orange is a cheerful and lively radiance, the warmest color in warm colors. In nature, orange pomelo, corn, flower fruit, glow, lanterns, and the sun are rich in orange. Because of its brightness, gorgeousness, health, excitement, warmth, joy, brilliance, and easy-to-touch color, it is a decorative color. Orange is a cheerful and lively radiance. It is the warmest color in the warm color. It is reminiscent of the golden autumn. The fruit of fruit is a rich, happy and happy color. Orange mixed slightly into black or white will become a steady, subtle and bright warm color, but mixed with more black, it will become a charred color; adding more white to orange will bring a sweet a feeling of. The penetration of orange in the air is second only to red, and the color is warmer than red. The most vivid orange should be the warmest color in color, which can give people a solemn, noble, mysterious feeling, so basically Belong to psychological color. In the history, many elites and religious circles used to decorate themselves. In modern society, they often serve as symbol colors and propaganda colors. However, it is also a color that is easy to cause visual fatigue.