ΔE 12.0, fair: the same colour family, but not a straight swap. Pale Grey Blue is a little darker, more saturated than Gypsum White.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Pale Grey Blue is a little darker, more saturated than Gypsum White.
The same difference applies the other way round: Gypsum White is a little lighter, 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 Gypsum White on the colour wheel See Pale Grey Blue on the colour wheel
All matches: Gypsum White equivalents · Pale Grey Blue equivalents