ΔE 8.2, close: similar, with a visible difference side by side. IJA Grey Green is a little darker than RLM 76 Late War Variation.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). IJA Grey Green is a little darker than RLM 76 Late War Variation.
The same difference applies the other way round: RLM 76 Late War Variation is a little lighter.
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 RLM 76 Late War Variation on the colour wheel See IJA Grey Green on the colour wheel
All matches: RLM 76 Late War Variation equivalents · IJA Grey Green equivalents