ΔE 9.7, close: similar, with a visible difference side by side. Death Guard Green is more muted, warmer than IJN Mitsubishi Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Death Guard Green is more muted, warmer than IJN Mitsubishi Green.
The same difference applies the other way round: IJN Mitsubishi 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 IJN Mitsubishi Green on the colour wheel See Death Guard Green on the colour wheel
All matches: IJN Mitsubishi Green equivalents · Death Guard Green equivalents