ΔE 7.5, close: similar, with a visible difference side by side. Cold Flesh is a little lighter, more saturated than Weathered Stone.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Cold Flesh is a little lighter, more saturated than Weathered Stone.
The same difference applies the other way round: Weathered Stone is a little darker, more muted.
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 Weathered Stone on the colour wheel See Cold Flesh on the colour wheel
All matches: Weathered Stone equivalents · Cold Flesh equivalents