Tourmaline Skin vs Rosy Skin

How close are they?

ΔE 6.4, close: similar, with a visible difference side by side. Rosy Skin is cooler than Tourmaline Skin.

Can I use Rosy Skin instead of Tourmaline Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Rosy Skin is cooler than Tourmaline Skin.

Can I use Tourmaline Skin instead of Rosy Skin?

The same difference applies the other way round: Tourmaline Skin is 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.