"Our common culture seems increasingly a product of we watch rather than what we read."
Visual art has to be confronted with the multitude of theories on how and why we humans perceive the world in which we live and then try to reproduce it in different forms.
Mitchell ?
"It’s no longer clear who these drawings are made for"
Such effects of assimilation are also observed when, for example, one strongly red patch in a painting brings out subtly red components in the colors around it.
Vision is not a mechanical recording of elements but rather the apprehension of significant structural patterns.
Art does not reproduce the visible because art makes visible.
Paul Klee
As "Gentlemen prefer Blondes", so everyone has preference for certain colors and prejudice against other.
Piotr Mondrian
I saw that there was nothing magical about any large surface by itself and that any such surface revealed at once its derivation from the palette; but through another surface, opposed to it, this surface acquired indeed a magic power, so that its origin on the palette seemed unbelievable at first impression.
Kandinsky, Reminiscence (from Arnheim p. 362)
The main axes of the body run obliquely. This perceptual device is used to obtain the dynamic effect. The dynamics is an integral part of what an observer sees.