We never really perceive what color is physically!
I count all the time on resonance. I call on this, you see.
In order to use color effectively it is necessary to recognize that color deceives continually.
Thus art is not an object, it is an experience.
Apprentice is the beginner - the first years you work in a craft in the European sense you are an apprentice. That takes 3 or 4 years. Then you are a journeyman. You can go from one master to another and learn other tricks and other secrets.
Every perception of color is an illusion, we do not see colors as they really are. In our perception they alter one another.