feldgrau (english: field-grey) is a greenish grey color. it was the official basic color of military uniforms of the german armed forces from the early 20th century until 1945 (west germany) or 1989 (east germany). armed forces of other countries also used various shades of that color. "feldgrau" was used to refer to the armies of germany, first the imperial german army and later the "heer" (ground forces) of the "reichswehr" and the "wehrmacht".