Prairie Ochre vs Ardennes Green

How close are they?

ΔE 13.9, fair: the same colour family, but not a straight swap. Ardennes Green is a little darker, cooler than Prairie Ochre.

Can I use Ardennes Green instead of Prairie Ochre?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Ardennes Green is a little darker, cooler than Prairie Ochre.

Can I use Prairie Ochre instead of Ardennes Green?

The same difference applies the other way round: Prairie Ochre is a little lighter, 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.