ΔE 12.6, fair: the same colour family, but not a straight swap. Fairy Flesh is a little darker, more saturated, warmer than Vanilla Drop.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Fairy Flesh is a little darker, more saturated, warmer than Vanilla Drop.
The same difference applies the other way round: Vanilla Drop 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 Vanilla Drop on the colour wheel See Fairy Flesh on the colour wheel
All matches: Vanilla Drop equivalents · Fairy Flesh equivalents