Warm Grey vs Sea Grey

How close are they?

ΔE 12.4, fair: the same colour family, but not a straight swap. Sea Grey is a little darker, more saturated than Warm Grey.

Can I use Sea Grey instead of Warm Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Sea Grey is a little darker, more saturated than Warm Grey.

Can I use Warm Grey instead of Sea Grey?

The same difference applies the other way round: Warm Grey is a little lighter, 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.