ΔE 9.5, close: similar, with a visible difference side by side. Khaki is a little darker, more muted, cooler than Ta'unar Ochre.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Khaki is a little darker, more muted, cooler than Ta'unar Ochre.
The same difference applies the other way round: Ta'unar Ochre is a little lighter, more saturated, warmer.
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 Ta'unar Ochre on the colour wheel See Khaki on the colour wheel
All matches: Ta'unar Ochre equivalents · Khaki equivalents