ΔE 8.0, close: similar, with a visible difference side by side. Sand Beige is a little lighter, more muted than Australian Camouflage Brown.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Sand Beige is a little lighter, more muted than Australian Camouflage Brown.
The same difference applies the other way round: Australian Camouflage Brown is a little darker, 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 Australian Camouflage Brown on the colour wheel See Sand Beige on the colour wheel
All matches: Australian Camouflage Brown equivalents · Sand Beige equivalents