ΔE 14.6, fair: the same colour family, but not a straight swap. Pale Grey Blue is noticeably darker, more saturated than N8 Neutral Gray.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Pale Grey Blue is noticeably darker, more saturated than N8 Neutral Gray.
The same difference applies the other way round: N8 Neutral Gray is noticeably 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 N8 Neutral Gray on the colour wheel See Pale Grey Blue on the colour wheel
All matches: N8 Neutral Gray equivalents · Pale Grey Blue equivalents