Most likely it's Olive drab with Green drab, or Dark green.
Olive Drab comes in different Federal Standard #s
FS14087
FS34086 - Olive Drab 2
FS34087 - Common standard Olive Drab. Sometimes listed as Khaki Drab by some paint brands
FS34088 - Olive Drab ANA 618
RLM 81 is WW2 Luftwaffe Olive Drab