Grey-Blue vs Storm Wolf

How close are they?

ΔE 4.2, very close: most people won’t see a difference side by side. Storm Wolf is a little lighter, warmer than Grey-Blue.

Can I use Storm Wolf instead of Grey-Blue?

Yes, for most jobs. Very close match (ΔE 4). Storm Wolf is a little lighter, warmer than Grey-Blue.

Can I use Grey-Blue instead of Storm Wolf?

The same difference applies the other way round: Grey-Blue 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.