In the mid-19th century, units of the British Indian Army applied the Hindi word khāki, “dust-colored, brown,” to the color of a uniform cloth. Dull brown uniforms were preferred because they did not show dirt, but the major reason that all colonial units of the British Army eventually adopted them was because they made excellent camouflage. Today we typically associate khaki with fashionable casualness and a summery look rather than British military uniforms