olive drab

(noun) a dull greyish to yellowish or light olive brown. Synonyms: drab.

(noun) military uniform of the United States Army; made from cloth of a dull olive color. Synonyms: olive-drab uniform.

(noun) a cloth of an olive-brown color used for military uniforms.

(adj) of a light brownish green color. Synonyms: olive-drab, drab.