Ancient Stone vs Cloudy Sky

How close are they?

ΔE 5.0, very close: most people won’t see a difference side by side. Cloudy Sky is a little lighter, warmer than Ancient Stone.

Can I use Cloudy Sky instead of Ancient Stone?

Yes, for most jobs. Very close match (ΔE 5). Cloudy Sky is a little lighter, warmer than Ancient Stone.

Can I use Ancient Stone instead of Cloudy Sky?

The same difference applies the other way round: Ancient Stone 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.