Definition of "two-tone" [two-tone]

• Having two colors or two shades of a single color. (adjective)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "The series of potatoes—assembled in various positions on reflective surfaces with one- or two-tone backgrounds—are typical of the work of their creators, Amsterdam-based photographers Anuschka Blommers and Niels Schumm, whose portfolio bursts with humorous images of record players, close-ups of burning cigarettes and portraits of human subjects with wide eyes and awkward stances."
• "Appropriately slathered in two-tone paint, the Bulli is a modern take on Volkswagen's classic icon."
• "The turkey vulture (Cathartes aura) is easily distinguished in flight by its two-tone wings; the feathers nearer the body and head are much darker than those behind."