Color psychology is a very important subject. In nature appreciation and social activities, color is a kind of stimulation and symbol to people objectively.Subjectively, it is a kind of reaction and behavior。Color psychology starts from vision, from perception, emotion to memory, thought, will, symbol, etc., and its reaction and change are extremely complex。

  The application of color attaches great importance to this causal relationship, that is, from the accumulation of experience in color to the psychological norms of color。When subjected to what stimulus, what response can be produced, are the content of color psychology to be explored。