During the Confederate Military sashes were worn by all sergeant ranks and officers. The colour indicated the corps or position from the wearer. As an example: yellow for cavalry, burgundy for infantry, black for chaplains, crimson for sergeants, green or blue for medics, and grey or product for general officers. https://erickghezu.weblogco.com/35954535/indicators-on-sash-window-draught-proofing-you-should-know