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