Institutions like to paint their walls pale green which is supposed to be very soothing. Studies have shown that red is very exciting for people to see. Some colors produce different effects. Color has a cultural significance. The color that people wear for mourning varies enormously around the world, as does the color for wedding dresses.
Color elicits different responses in many people.
We don't like to play by the rules, and humans apply the different values of their cultures to what their senses record. I think I began to answer that in an earlier question. I have always been fascinated by how the world touches us and how we can experience life. I write books about nature, endangered animals and psychology. They all have a desire to understand what it was like to once be alive on the planet, what is sounded like, felt like, looked like and what the experience of living was all about.