A 5mm-wide red, green, yellow or white band on or just above the shell's driving band on the calibers from 2cm - 4cm
reflected the shell's tracer color. Red was the most common
I pulled the following info off the net
A.P. black body no band steel material no filling, no tracer, no fuze
A.P./I black body 0.2" band-blue- at .7" from the nose with .2" band above D.B. // A.P. steel material phosophorus 52 in light alloy case. No tracer and no fuze
A.P./H.E. Balck body .7" yellow band at .2" above D.B. or .2" yellow band .7" below nose // A.P. steel material, Penthrite waz 76 filling, no tracer, 17mm of penetration, no fuze
Tracer Olive green body, Yellow and mauve above driving band. Steel material, no filling, Brilliant white 1.8 tracer and no fuze.
Tracer Olive green body, yellow above driving band and white below nose with 3 arrows stamped on nose plug. Steel material, no filling Brilliant white or yellow tracer. no fuze.
I/T navy blue body, 0.2" red band or maroon band. Steel material incediary similiar to green band type. Approx. 4 seconds of tracer, aluminum detenator in nose(strikerless)
H.E./T. (8. D) Yellow body black 0.4" above driving band. Steel material Penthrite wax 57.1 Yellow tracer, 2.0 seconds. Fuze : A.Z. 1501 (Brass)
H.E./T. (8. D) Yellow body, no bands, Steel material Penthrite wax 57.1 Pale green tracer at 1.4 seconds. no penetration levels, A.Z. 1504 Aluminum Fuze.
H.E./T. (8. D) Steel, unpainted body with white band above driving band. Steel material, Penthrite wax at 49.2. Brillian white tracer at 6.0 seconds, Fuze: A.Z. 1502 Brass
H.E. Minen Projectile Yellow body with black band below fuze. Drawn steel hemispherical base with Penthrite wax-262 // no tracer, Fuze : A.Z. 1502 (Brass)
H.E. Minen/Incendiary Green band below fuze. Drawn steel hemispherical base. Penthrite wax, incendiary pellet. no tracer, Fuze : Z.Z. 1505, steel, brass coated.
H.E./I/T (8. D) Yellow body with 0.2" blue 0.4" above driving band or 0.25" blue below fuze // steel material penthrite wax-55 Incendiary 6. Fuze: Aluminum A.Z. 1504
H.E./I/T (8. D) Yellow body with brown above D.B., blue below fuze. Steel material bright night tracer, Fuze : Aluminum plated A.Z. 1504
H.E./I/T (8. D) Yellow body with 0.25" green band below fuze, 0.2" red band above D.B., Steel material with Penthrite wax-36, Incediary 34. // Deep Yellow tracer, and Fuze : Aluminum plated A.Z. 1504.