contrast

US /ˈkɑːn.træst/
UK /ˈkɑːn.træst/
"contrast" picture
1.

the state of being strikingly different from something else in close conjunction

:
The white walls provided a stark contrast to the dark furniture.
Her cheerful personality was a complete contrast to his gloomy mood.
2.

the amount of difference between the darkest and lightest parts of an image

:
Adjust the contrast on the screen to make the image clearer.
The photographer increased the contrast to highlight the details.
1.

to compare in such a way as to emphasize differences

:
You should contrast the two theories to see their strengths and weaknesses.
The author often contrasts urban life with rural life in his novels.