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