RLM 76 Late War Variation vs Ancient Stone

How close are they?

ΔE 7.7, close: similar, with a visible difference side by side. Ancient Stone is a little lighter, warmer than RLM 76 Late War Variation.

Can I use Ancient Stone instead of RLM 76 Late War Variation?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Ancient Stone is a little lighter, warmer than RLM 76 Late War Variation.

Can I use RLM 76 Late War Variation instead of Ancient Stone?

The same difference applies the other way round: RLM 76 Late War Variation is a little darker, 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.