Often a type of color-scheme designed to make the wearer blend in with the scenery, to almost appear
invisible to others.
Camouflage was actually
developed by the French in 1915. They had a unit called the "Camouflage Division". Now the whole world uses camouflage for their BDU's.
Camouflage is a popular color when referring to military-related clothes.
Camoflauge even comes in a wide variety of colors, all designed to meld with scenery; different camo-patterns are designed for different backgrounds and scenes.