Ardennes Green vs Green RLM62

How close are they?

ΔE 8.4, close: similar, with a visible difference side by side. Green RLM62 is a little darker, more muted, warmer than Ardennes Green.

Can I use Green RLM62 instead of Ardennes Green?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Green RLM62 is a little darker, more muted, warmer than Ardennes Green.

Can I use Ardennes Green instead of Green RLM62?

The same difference applies the other way round: Ardennes Green is a little lighter, more saturated, 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.