ΔE 9.3, close: similar, with a visible difference side by side. Earth Green (Early) is a little darker, more saturated, cooler than Stormvermin Fur.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Earth Green (Early) is a little darker, more saturated, cooler than Stormvermin Fur.
The same difference applies the other way round: Stormvermin Fur is a little lighter, more muted, warmer.
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 Stormvermin Fur on the colour wheel See Earth Green (Early) on the colour wheel
All matches: Stormvermin Fur equivalents · Earth Green (Early) equivalents