Identify the relevant aesthetic principle, if any, being used: vincent van gogh tells us that he uses clashing reds and greens in the night café to help us see his vision of "the terrible passions of

Identify the relevant aesthetic principle, if any, being used: vincent van gogh tells us that he uses clashing reds and greens in the night café to help us see his vision of "the terrible passions of humanity"; it is the intensity with which he conveys his views of the ugliness of human life that makes his work so illuminating.