Synonyms for Monochrome (same or very similar meaning)
WordNet sense 1 (a black-and-white photograph or slide):
black and whiteWordNet sense 2 (having or appearing to have only one color):
monochromatic, monochromic, monochromousWordNet sense 3 (having color or a certain color; sometimes used in combination):
colored, colorful, colouredFrom the ODE community, based on WordNetadd/edit