monochromous

/ˌmɑnəˈkroʊməs/
adjective
  1. Having or consisting of only one color.
    • The room was decorated in a monochromous palette of gray and white.
    • The artist's monochromous painting used only shades of blue.
    • A monochromous design can be very elegant and simple.
Antonyms
What does "monochromous" mean? | whatsthatwordmean | whatsthatwordmean