All 3 Uses

contrast
in
Educated, by Tara Westover
(Edited)

I left the hall the moment dessert was served. It was a relief to escape all that refinement and beauty—to be allowed to be unlovely and not a point of contrast.
p. 242.1 *

contrast = notable difference in a side-x-side comparison
I couldn't tell him that the reason I couldn't return to Cambridge was that being here threw into great relief every violent and degrading moment of my life. At BYU I could almost forget, allow what had been to blend into what was. But the contrast here was too great, the world before my eyes too fantastical.
p. 243.2

contrast = difference especially notable in a side-x-side comparison
The walls were exposed Sheetrock, which contrasted spectacularly with the wood paneling on the vaulted ceiling.
p. 260.4

contrasted = provided a notable difference in a side-x-side comparison

Definitions:

(1) (contrast as in: contrast their writing styles)
point to differences between; or compare to show differences
(2) (contrast as in: there is a contrast)
a difference -- especially a notable difference; or the side-x-side arrangement of things that draws attention to an unmissable difference
(3) (contrast as in: sharpen the picture contrast)
the difference between tones of an image -- as in a photo or video -- such as the quality of brightness or the intensity of shades or colors
(4) (meaning too rare to warrant focus)