ΔE 8.4, close: similar, with a visible difference side by side. Rosy Shadow is a little lighter, more muted, cooler than Buffed Hide.
Usually, if you are not matching paint already on the model. Close match (ΔE 8). Rosy Shadow is a little lighter, more muted, cooler than Buffed Hide.
The same difference applies the other way round: Buffed Hide is a little darker, 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 Buffed Hide on the colour wheel See Rosy Shadow on the colour wheel
All matches: Buffed Hide equivalents · Rosy Shadow equivalents