ΔE 7.2, close: similar, with a visible difference side by side. Russian Green 4BO is a little darker than Scorched Earth.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Russian Green 4BO is a little darker than Scorched Earth.
The same difference applies the other way round: Scorched Earth 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 Scorched Earth on the colour wheel See Russian Green 4BO on the colour wheel
All matches: Scorched Earth equivalents · Russian Green 4BO equivalents