Both Uses

contrast
in
The 5th Wave
(Auto-generated)

Its light shines on her face, playing up the contrast between her fair skin and jet-black hair.†
p. 313.6 *

contrast = notable difference
I can feel his heart slamming against my palm and I can smell his breath and feel the stubble on his upper lip, a sandpapery contrast to the softness of his lips, and Evan is looking at me and I'm looking back at him.†
p. 178.9

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)