Space Grey vs Celestra Grey

How close are they?

ΔE 5.4, very close: most people won’t see a difference side by side. Celestra Grey is a little lighter, cooler than Space Grey.

Can I use Celestra Grey instead of Space Grey?

Yes, for most jobs. Very close match (ΔE 5). Celestra Grey is a little lighter, cooler than Space Grey.

Can I use Space Grey instead of Celestra Grey?

The same difference applies the other way round: Space Grey is a little darker, 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.