Corps colours of the Sturmabteilung

Corps colours, or Troop-function colours (German: "Waffenfarben") were worn in the German Wehrmacht from 1935 until 1945 as discrimination criteria between several branches, special services, corps, rank groups, and appointments of the ministerial area, the general staff, the Oberkommando der Wehrmacht (OKW), up to the military branches of the Heer, Luftwaffe and Kriegsmarine. With the formation of the Waffen-SS (Armed SS) and so-called Gesamt-SA (Common Sturmabteilung) by simultaneous new-structuring in line with military principles, corps colours were introduced to these organisations as well.

Source: Wikipedia — Corps colours of the Sturmabteilung (CC BY-SA 4.0)