Achromatic

Color having no chroma ? black, white and grays made by mixing black and white. All other colors employ chromatic pigments.(pr. AY-crow-MA-təck)Also see 1-bit image, 2-bit image, 3-bit image, 4-bit image, 8-bit image, analogous, black and white, color scheme, complementary, gray scale, grisaille, monochromatic, neutral, optical mixing, split complementary, triadic (three), value, and value scale.