ΔE 15.1, loose: different enough that you should pick on purpose. Buff is a little lighter, more saturated, cooler than Ungor Flesh.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Buff is a little lighter, more saturated, cooler than Ungor Flesh.
The same difference applies the other way round: Ungor Flesh is a little darker, 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 Ungor Flesh on the colour wheel See Buff on the colour wheel
All matches: Ungor Flesh equivalents · Buff equivalents