ΔE 12.8, fair: the same colour family, but not a straight swap. Wilted Green is noticeably darker, more saturated than Prairie Ochre.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Wilted Green is noticeably darker, more saturated than Prairie Ochre.
The same difference applies the other way round: Prairie Ochre is noticeably lighter, more muted.
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 Wilted Green on the colour wheel
All matches: Prairie Ochre equivalents · Wilted Green equivalents