ΔE 6.7, close: similar, with a visible difference side by side. RLM 82 Light Green is a little darker, cooler than Death Guard Green.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). RLM 82 Light Green is a little darker, cooler than Death Guard Green.
The same difference applies the other way round: Death Guard Green is a little lighter, 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 Death Guard Green on the colour wheel See RLM 82 Light Green on the colour wheel
All matches: Death Guard Green equivalents · RLM 82 Light Green equivalents