ΔE 12.9, fair: the same colour family, but not a straight swap. Squid Pink is a little lighter, more saturated, cooler than Lilac.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Squid Pink is a little lighter, more saturated, cooler than Lilac.
The same difference applies the other way round: Lilac is a little darker, more muted, warmer.
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 Lilac on the colour wheel See Squid Pink on the colour wheel
All matches: Lilac equivalents · Squid Pink equivalents