Dark Blue-Grey vs Eshin Grey

How close are they?

ΔE 12.1, fair: the same colour family, but not a straight swap. Eshin Grey is a little darker, more muted than Dark Blue-Grey.

Can I use Eshin Grey instead of Dark Blue-Grey?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Eshin Grey is a little darker, more muted than Dark Blue-Grey.

Can I use Dark Blue-Grey instead of Eshin Grey?

The same difference applies the other way round: Dark Blue-Grey is a little lighter, more saturated.

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.