ΔE 8.1, close: similar, with a visible difference side by side. Medium Drab is a little darker than Splittermuster Base.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Medium Drab is a little darker than Splittermuster Base.
The same difference applies the other way round: Splittermuster Base 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 Splittermuster Base on the colour wheel See Medium Drab on the colour wheel
All matches: Splittermuster Base equivalents · Medium Drab equivalents