Shadow Grey vs Tidal Blue

How close are they?

ΔE 11.3, fair: the same colour family, but not a straight swap. Tidal Blue is more saturated, warmer than Shadow Grey.

Can I use Tidal Blue instead of Shadow Grey?

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

Can I use Shadow Grey instead of Tidal Blue?

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