ΔE 7.1, close: similar, with a visible difference side by side. Ochre Brown is a little lighter than Dark DAK Sand.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Ochre Brown is a little lighter than Dark DAK Sand.
The same difference applies the other way round: Dark DAK Sand is a little darker.
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 Dark DAK Sand on the colour wheel See Ochre Brown on the colour wheel
All matches: Dark DAK Sand equivalents · Ochre Brown equivalents