Olive is a dark yellowish-green color, like that of unripe or green olives. As a color word in the English language, it appears in late Middle English. Shaded toward gray, it becomes olive drab.
Hex triplet #808000
sRGB (r, g, b) (128, 128, 0)
CMYK (c, m, y, k) (0, 0, 100, 50)
HSV (h, s, v) (60°, 100%, 50%)
An M1 helmet, the standard helmet of the U.S. Army from 1941 through the Vietnam War. This helmet is from the Vietnam War; the color is olive green 107.