ΔE 10.9, fair: the same colour family, but not a straight swap. Pale Flesh is more saturated, cooler than Urban Buff.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Pale Flesh is more saturated, cooler than Urban Buff.
The same difference applies the other way round: Urban Buff is 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 Urban Buff on the colour wheel See Pale Flesh on the colour wheel
All matches: Urban Buff equivalents · Pale Flesh equivalents