Both Uses

contrast
in
Pudd'nhead Wilson
(Edited)

She gathered up her baby once more; but when her eye fell upon its miserably short little gray tow-linen shirt and noted the contrast between its pauper shabbiness and her own volcanic eruption of infernal splendors, her mother-heart was touched, and she was ashamed.†
Chpt 3 *

contrast = notable difference
Yet her feeling was moderate indeed when contrasted with Rowena's.†
Chpt 6 *

contrasted = pointed to differences between; or compared to show differences

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)