ΔE 11.9, fair: the same colour family, but not a straight swap. Glacier Blue is cooler than Pastel Violet.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Glacier Blue is cooler than Pastel Violet.
The same difference applies the other way round: Pastel Violet is 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 Pastel Violet on the colour wheel See Glacier Blue on the colour wheel
All matches: Pastel Violet equivalents · Glacier Blue equivalents