ΔE 9.0, close: similar, with a visible difference side by side. Porcelain Rose is a little lighter, cooler than Scar Tissue.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Porcelain Rose is a little lighter, cooler than Scar Tissue.
The same difference applies the other way round: Scar Tissue is a little darker, 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.
See Scar Tissue on the colour wheel See Porcelain Rose on the colour wheel
All matches: Scar Tissue equivalents · Porcelain Rose equivalents