Trollblood Base vs Turquoise

How close are they?

ΔE 9.3, close: similar, with a visible difference side by side. Turquoise is a little lighter, more saturated, cooler than Trollblood Base.

Can I use Turquoise instead of Trollblood Base?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Turquoise is a little lighter, more saturated, cooler than Trollblood Base.

Can I use Trollblood Base instead of Turquoise?

The same difference applies the other way round: Trollblood Base is a little darker, more muted, 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.