ΔE 14.2, fair: the same colour family, but not a straight swap. Ink White is noticeably lighter than N8 Neutral Gray.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Ink White is noticeably lighter than N8 Neutral Gray.
The same difference applies the other way round: N8 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 N8 Neutral Gray on the colour wheel See Ink White on the colour wheel
All matches: N8 Neutral Gray equivalents · Ink White equivalents