What is Tech's color Schemes? What does that mean? What should it be?

Claim: Tech color schemes are cold colors.

evidence: For example everything in tech High School is Purple, Gray, and White. Everything are those colors because those are the colors that represents Bradley Tech's High School.

Explanation: Bradley Tech's colors are cold colors because they land on the left side of the color spectrum. I believe Tech colors should stay the same because I love our colors.