Cursed Blue vs Turquoise

How close are they?

ΔE 6.4, close: similar, with a visible difference side by side. Turquoise is more saturated than Cursed Blue.

Can I use Turquoise instead of Cursed Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Turquoise is more saturated than Cursed Blue.

Can I use Cursed Blue instead of Turquoise?

The same difference applies the other way round: Cursed Blue is more muted.

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.