First, the meaning of color: Simply put, when light shines on an object, the visual nerve will feel it, but the color exists.

Second, the definition of color is always due to different uses, and each has its own definition:

Chemist: the characteristics of dyes, pigments and other substances.

Scope of application: manufacturers and users of pigments, paints and dyes.

② Physicist: Some phenomenon in the field of optics.

Scope of application: optical instrument manufacturing.

(3) Psychologists and physiologists: the consciousness that the observer is aware of.

Third, color affects people's mood:

Psychologists believe that people's first feeling is vision, and the biggest influence on vision is color. The reason why people's behavior is influenced by color is that people's behavior is often dominated by emotions.

The reason why colors can affect people's mental state and mood is that colors come from the natural colors, such as blue sky, bright red blood and golden sun ... When people see these colors that are the same as nature, they will naturally associate with the sensory experience related to these natural objects, which is the most primitive influence.

This may also be the reason why people from different regions, different countries, different nationalities and different personalities have a common experience of some colors.