Dwarf Skin vs Raging Rouge

How close are they?

ΔE 6.3, close: similar, with a visible difference side by side. Raging Rouge is more saturated, cooler than Dwarf Skin.

Can I use Raging Rouge instead of Dwarf Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 6). Raging Rouge is more saturated, cooler than Dwarf Skin.

Can I use Dwarf Skin instead of Raging Rouge?

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