Antonyms of adj gray-blue

1 sense of gray-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 gray-blue

1 sense of gray-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)