Carnelian Skin vs Royal Cloak

How close are they?

ΔE 9.2, close: similar, with a visible difference side by side. Royal Cloak is more muted, cooler than Carnelian Skin.

Can I use Royal Cloak instead of Carnelian Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Royal Cloak is more muted, cooler than Carnelian Skin.

Can I use Carnelian Skin instead of Royal Cloak?

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