ΔE 13.7, fair: the same colour family, but not a straight swap. Light Pink is a little darker, more saturated, warmer than Fey Pink.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Light Pink is a little darker, more saturated, warmer than Fey Pink.
The same difference applies the other way round: Fey Pink 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 Fey Pink on the colour wheel See Light Pink on the colour wheel
All matches: Fey Pink equivalents · Light Pink equivalents