Antonyms of adj gray-black
1 sense of gray-black
Sense 1
grey-black, gray-black, greyish-black, grayish-black -- (of black tinged with grey)
INDIRECT (VIA achromatic) -> chromatic -- (being or having or characterized by hue)
Similarity of adj gray-black
1 sense of gray-black
Sense 1
grey-black, gray-black, greyish-black, grayish-black -- (of black tinged with grey)
=> achromatic (vs. chromatic), neutral -- (having no hue; "neutral colors like black or white")