If conceptualism retains what is correct in universalism and in nominalism and conceptualism offers an adequate explanation of the phenomena under consideration, then it solves the problem.
For some, Duchamp is the father of conceptualism, the so-called art of ideas, for other, he is a charlatan responsible for the demise of traditional Artistry.
Consequently, conceptualism disregards the fact that " cold or warm colors" , actually cold or warm colors, are dead but existing metaphors at the same time.