Artistic technique of light and shadow contrast.
Gradation of tones from light to dark.
Representation in visual arts emphasizing volume.
Symbolic representation of moral or emotional duality.
A blending or interplay between opposing elements.
Light and dark contrast in art.
Shadowy or dramatic visual effect.
Varied tonal qualities in a composition.
Subtle gradations of light and shade.
Ambiguous moral situations with dualities present.