drab - noun

a dull greyish to yellowish or light olive brown

drab - adjective

• lacking in liveliness or charm or surprise
• lacking brightness or color; dull
• of a light brownish green color
• causing dejection

drab - thesaurus

blue   dark   dingy   disconsolate   dismal   drear   dreary   gloomy   grim   sober   somber   sombre   sorry