lightness contrast造句

The novel's apparent lightness contrasts with the fundamental issues dealt with : hidden and present past, remembering and forgetting.
Because these blend modes are based on a color space which is much closer than RGB to perceptually relevant dimensions, it can be used to image sharpening, because human vision is much more sensitive to fine-scale lightness contrast than color contrast.
Thus, a strong lightness contrast between a mid-valued yellow paint and a surrounding bright white makes the yellow appear to be green or brown, while a strong brightness contrast between a rainbow and the surrounding sky makes the yellow in a rainbow appear to be a fainter yellow, or white.
It's difficult to find lightness contrast in a sentence. 用lightness contrast造句挺难的