ΔE 5.7, very close: most people won’t see a difference side by side. Gengis Khaki is a little darker, warmer than Prairie Ochre.
Yes, for most jobs. Very close match (ΔE 6). Gengis Khaki is a little darker, warmer than Prairie Ochre.
The same difference applies the other way round: Prairie Ochre is a little lighter, 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 Prairie Ochre on the colour wheel See Gengis Khaki on the colour wheel
All matches: Prairie Ochre equivalents · Gengis Khaki equivalents