ΔE 10.1, fair: the same colour family, but not a straight swap. Pink Horror is more saturated than Elder Flower.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Pink Horror is more saturated than Elder Flower.
The same difference applies the other way round: Elder Flower is more muted.
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 Elder Flower on the colour wheel See Pink Horror on the colour wheel
All matches: Elder Flower equivalents · Pink Horror equivalents