ΔE 9.3, close: similar, with a visible difference side by side. 3B Russian Green is a little darker, more muted than Skavenblight Dinge.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). 3B Russian Green is a little darker, more muted than Skavenblight Dinge.
The same difference applies the other way round: Skavenblight Dinge is a little lighter, more saturated.
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 Skavenblight Dinge on the colour wheel See 3B Russian Green on the colour wheel
All matches: Skavenblight Dinge equivalents · 3B Russian Green equivalents