from The Century Dictionary and Cyclopedia
- n. Gradation and harmony of color.
- n. In psychology, the color quality of a colored impression; chroma or hue, as opposed to brightness and saturation.
Sorry, no etymologies found.
Masses of flowers in the pervading luxuriant color-tone carpet the whole court with gold, while banks of green fill the corners and outline the borders.
In marines Gedney Bunce has portrayed many Venetian scenes of charming color-tone, and De Haas  has long been known as
In another series the variant was the extent of surface exposed, the color-tone (neutral gray), outline, and other conditions being the same for both members of each pair.
That is to say, the members of every pair of objects were of the same uniform color-tone (Bradley's neutral gray No. 2), presented the same extent of surface (approximately 42 sq. cm.), were exposed simultaneously for the same length of time (5 seconds), and were in contour usually of like general character save that the bounding line in the one was more interrupted and complex than in the other.