ADJ.
black
VERB + ACHROMATISM
relieved
ACHROMATISM + NOUN
lens, tree
noun
The state or quality of being achromatic; achromaticity.
the achromatism of a lens
The state of being free of colors, not emitting or separating into colors.
No flaming flower relieved its black achromatism although that tree had been known long ago to burst open with a three-hour glory.
Achromatopia.
noun — the visual property of being without chromatic color