Sharkfin Blue vs Hydra Turquoise

How close are they?

ΔE 13.4, fair: the same colour family, but not a straight swap. Hydra Turquoise is a little darker, more saturated, warmer than Sharkfin Blue.

Can I use Hydra Turquoise instead of Sharkfin Blue?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Hydra Turquoise is a little darker, more saturated, warmer than Sharkfin Blue.

Can I use Sharkfin Blue instead of Hydra Turquoise?

The same difference applies the other way round: Sharkfin Blue is a little lighter, 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.