monochromatic
definition
consisting of or displaying one color or hue
example
The artist chose a **monochromatic palette** for the painting, using various shades of blue to convey mood and depth.
synonyms
single-coloredone-huedmonochrome
word origin — The word 'monochromatic' comes from the Greek roots 'mono-' meaning 'one' and 'chroma' meaning 'color', combined with the suffix '-ic' to form an adjective.