ΔE 8.2, close: similar, with a visible difference side by side. Dark Green (JGSDF) is a little lighter, warmer than Waaagh! Flesh.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Dark Green (JGSDF) is a little lighter, warmer than Waaagh! Flesh.
The same difference applies the other way round: Waaagh! Flesh is a little darker, 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 Waaagh! Flesh on the colour wheel See Dark Green (JGSDF) on the colour wheel
All matches: Waaagh! Flesh equivalents · Dark Green (JGSDF) equivalents