ΔE 9.6, close: similar, with a visible difference side by side. UK BSC is a little lighter, warmer than Moldy Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). UK BSC is a little lighter, warmer than Moldy Skin.
The same difference applies the other way round: Moldy Skin is a little darker, cooler.
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 Moldy Skin on the colour wheel See UK BSC on the colour wheel
All matches: Moldy Skin equivalents · UK BSC equivalents