There are lots of color in the world physiologic say's some of them are shows your feeling.
Just like black color show sadness and darkness. When someone is ùnhappy they like black color and balck is the color which obserb anything even sunlight. Black color obserb dust and sunlight. In summer dont wear black color becausse sunlight is obserb by black color and you will feel hot.
On other hand white color is show peace and happness and it is opposite from black. And white color reflect the light and feels bright and you will look handsome in it. When you wear white color you will feel happness.
Gold shows wealth and more like if a person is rich. A rich person prepaired gold
Green color is the universal color all colors are derived from green and it main defend on health when you saw a green color you will be healthy and your growth will be good. In every morning when you saw green color your eyes vision will be good