ΔE 11.0, fair: the same colour family, but not a straight swap. Lilac Purple is a little darker, more saturated, warmer than Dechala Lilac.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Lilac Purple is a little darker, more saturated, warmer than Dechala Lilac.
The same difference applies the other way round: Dechala Lilac 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 Dechala Lilac on the colour wheel See Lilac Purple on the colour wheel
All matches: Dechala Lilac equivalents · Lilac Purple equivalents