What are the visual feelings of various colors?

1, red: strong visual sense, reminiscent of enthusiasm.

2, orange: strong visual sense, reminiscent of the sun, warm and bright.

3, yellow: general visual sense, reminiscent of sunflowers, mature wheat, harvest joy and honor.

4, green: visual temperature harmony, reminiscent of grasslands and forests, eye protection is fresh.

5, blue: the visual sense is quiet, reminiscent of the ocean sky, wide and calm.

Refer to Baidu Encyclopedia-Color