Dirty Grey vs Old Wood

How close are they?

ΔE 5.1, very close: most people won’t see a difference side by side. Old Wood is more saturated, cooler than Dirty Grey.

Can I use Old Wood instead of Dirty Grey?

Yes, for most jobs. Very close match (ΔE 5). Old Wood is more saturated, cooler than Dirty Grey.

Can I use Dirty Grey instead of Old Wood?

The same difference applies the other way round: Dirty Grey is more muted, 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.