ΔE 9.1, close: similar, with a visible difference side by side. Militia Green is more muted, warmer than IJA #27 Ao Midori iro (Blue- Green).
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Militia Green is more muted, warmer than IJA #27 Ao Midori iro (Blue- Green).
The same difference applies the other way round: IJA #27 Ao Midori iro (Blue- Green) is more saturated, cooler.
ΔE is the colour difference between our two swatch estimates: under about 6 is close, over about 15 is loose. Real paints also differ in finish, coverage and how they thin, so test before you commit.
See IJA #27 Ao Midori iro (Blue- Green) on the colour wheel See Militia Green on the colour wheel
All matches: IJA #27 Ao Midori iro (Blue- Green) equivalents · Militia Green equivalents