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