ΔE 11.9, fair: the same colour family, but not a straight swap. Emperor's Children is more muted, warmer than Pixie Pink.
✓ Army Painter Fanatic conversion chart lists these two as equivalents.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Emperor's Children is more muted, warmer than Pixie Pink.
The same difference applies the other way round: Pixie Pink is more saturated, 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 Pixie Pink on the colour wheel See Emperor's Children on the colour wheel
All matches: Pixie Pink equivalents · Emperor's Children equivalents