ΔE 3.4, very close: most people won’t see a difference side by side. Dark Earth is a little darker, cooler than RLM 81 Version 3.
Yes, for most jobs. Very close match (ΔE 3). Dark Earth is a little darker, cooler than RLM 81 Version 3.
The same difference applies the other way round: RLM 81 Version 3 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 RLM 81 Version 3 on the colour wheel See Dark Earth on the colour wheel
All matches: RLM 81 Version 3 equivalents · Dark Earth equivalents