ΔE 12.8, fair: the same colour family, but not a straight swap. Fired Clay is noticeably darker, more saturated, cooler than Buffed Hide.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Fired Clay is noticeably darker, more saturated, cooler than Buffed Hide.
The same difference applies the other way round: Buffed Hide is noticeably lighter, more muted, 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 Fired Clay on the colour wheel
All matches: Buffed Hide equivalents · Fired Clay equivalents