Antonyms of adj yellowish

1 sense of yellowish

Sense 1
yellow, yellowish, xanthous -- (of the color intermediate between green and orange in the color spectrum; of something resembling the color of an egg yolk)

INDIRECT (VIA chromatic) -> achromatic, neutral -- (having no hue; "neutral colors like black or white")

Similarity of adj yellowish

1 sense of yellowish

Sense 1
yellow, yellowish, xanthous -- (of the color intermediate between green and orange in the color spectrum; of something resembling the color of an egg yolk)
       => chromatic (vs. achromatic) -- (being or having or characterized by hue)