monochromatic
🇺🇸
/ˌmɑːnəkrəʊˈmætɪk/
🇬🇧
/ˌmɒnəkrəˈmætɪk/
having or using only one color
The artist created a monochromatic painting using only shades of blue.
consisting of a single wavelength or frequency
The laser produces monochromatic light, which is useful for scientific experiments.