Sharkfin Blue vs Chainmail

How close are they?

ΔE 12.3, fair: the same colour family, but not a straight swap. Chainmail is a little darker, more muted than Sharkfin Blue.

Can I use Chainmail instead of Sharkfin Blue?

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

Can I use Sharkfin Blue instead of Chainmail?

The same difference applies the other way round: Sharkfin Blue 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.