ΔE 8.6, close: similar, with a visible difference side by side. Weathered Skin is more muted, cooler than Brown Rose.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Weathered Skin is more muted, cooler than Brown Rose.
The same difference applies the other way round: Brown Rose 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.
See Brown Rose on the colour wheel See Weathered Skin on the colour wheel
All matches: Brown Rose equivalents · Weathered Skin equivalents