ΔE 6.8, close: similar, with a visible difference side by side. Lime Green is a little darker than Elven Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Lime Green is a little darker than Elven Green.
The same difference applies the other way round: Elven Green 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 Elven Green on the colour wheel See Lime Green on the colour wheel
All matches: Elven Green equivalents · Lime Green equivalents