Lothern Blue vs Joridyn Turquoise

How close are they?

ΔE 9.2, close: similar, with a visible difference side by side. Joridyn Turquoise is a little darker, more muted, cooler than Lothern Blue.

Can I use Joridyn Turquoise instead of Lothern Blue?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Joridyn Turquoise is a little darker, more muted, cooler than Lothern Blue.

Can I use Lothern Blue instead of Joridyn Turquoise?

The same difference applies the other way round: Lothern Blue is a little lighter, more saturated, warmer.

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.