ΔE 9.0, close: similar, with a visible difference side by side. German Red Brown is a little darker, more saturated, warmer than African Shadow.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). German Red Brown is a little darker, more saturated, warmer than African Shadow.
The same difference applies the other way round: African Shadow is a little lighter, more muted, cooler.
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 African Shadow on the colour wheel See German Red Brown on the colour wheel
All matches: African Shadow equivalents · German Red Brown equivalents