ΔE 6.5, close: similar, with a visible difference side by side. BC Dark Brown is more muted, warmer than Shield Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). BC Dark Brown is more muted, warmer than Shield Brown.
The same difference applies the other way round: Shield Brown is more saturated, 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 Shield Brown on the colour wheel See BC Dark Brown on the colour wheel
All matches: Shield Brown equivalents · BC Dark Brown equivalents