Objects that the eye differentiates by color contrast, may have about the same light reflectance: these objects will appear as about the same shade of gray in a black and white print.
(Objects; differentiates; ) (these objects; will appear; as about the same shade of gray in a black and white print) Context(these objects will appear,List([98, 123))):(Objects that the eye differentiates by color contrast; may have; about the same light reflectance)
these objects will appear,List([98, 123))
Objects these objects Objects that the eye differentiates by color contrast
differentiates will appear may have
as about the same shade of gray in a black and white print
about the same light reflectance