olive drab, drab -- (a dull greyish to yellowish or light olive brown)
Overview of adj drab
The adj drab has 4 senses
drab, dreary -- (lacking in liveliness or charm or surprise; "her drab personality"; "life was drab compared with the more exciting life style overseas"; "a series of dreary dinner parties")
drab, sober, somber, sombre -- (lacking brightness or color; dull; "drab faded curtains"; "sober Puritan grey"; "children in somber brown clothes")
olive-drab, drab -- (of a light brownish green color)
blue, dark, dingy, disconsolate, dismal, gloomy, grim, sorry, drab, drear, dreary -- (causing dejection; "a blue day"; "the dark days of the war"; "a week of rainy depressing weather"; "a disconsolate winter landscape"; "the first dismal dispiriting days of November"; "a dark gloomy day"; "grim rainy weather")