Turquoise Green vs Hydra Turquoise

How close are they?

ΔE 13.7, fair: the same colour family, but not a straight swap. Hydra Turquoise is noticeably lighter, more saturated, warmer than Turquoise Green.

Can I use Hydra Turquoise instead of Turquoise Green?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Hydra Turquoise is noticeably lighter, more saturated, warmer than Turquoise Green.

Can I use Turquoise Green instead of Hydra Turquoise?

The same difference applies the other way round: Turquoise Green is noticeably darker, 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.