Russ Grey vs Celestial Blue

How close are they?

ΔE 11.3, fair: the same colour family, but not a straight swap. Celestial Blue is a little lighter, more saturated than Russ Grey.

Can I use Celestial Blue instead of Russ Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Celestial Blue is a little lighter, more saturated than Russ Grey.

Can I use Russ Grey instead of Celestial Blue?

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

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.