ΔE 12.2, fair: the same colour family, but not a straight swap. Pale Blue Grey is noticeably lighter than N5 Neutral Gray.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Pale Blue Grey is noticeably lighter than N5 Neutral Gray.
The same difference applies the other way round: N5 Neutral Gray is noticeably darker.
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 N5 Neutral Gray on the colour wheel See Pale Blue Grey on the colour wheel
All matches: N5 Neutral Gray equivalents · Pale Blue Grey equivalents