ΔE 12.0, fair: the same colour family, but not a straight swap. Skin Tone is a little darker, more saturated, warmer than Titan Buff.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Skin Tone is a little darker, more saturated, warmer than Titan Buff.
The same difference applies the other way round: Titan Buff is a little lighter, more muted, cooler.
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 Titan Buff on the colour wheel See Skin Tone on the colour wheel
All matches: Titan Buff equivalents · Skin Tone equivalents