The Difference Between Darks/lights in an Image
This page is the CodyCross answer for the clue below from World of Books, Group 297, Puzzle 4 (Publishing Company).
Question is: The Difference Between Darks/lights in an Image
and the answer is: CONTRAST
Word Meaning:
CONTRAST — (countable) A difference in lightness, brightness or hue between two colours that makes them more or less distinguishable.
Definitions from Wiktionary.