ΔE 12.3, fair: the same colour family, but not a straight swap. N8 Neutral Gray is noticeably lighter than Longbeard Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). N8 Neutral Gray is noticeably lighter than Longbeard Grey.
The same difference applies the other way round: Longbeard Grey 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 Longbeard Grey on the colour wheel See N8 Neutral Gray on the colour wheel
All matches: Longbeard Grey equivalents · N8 Neutral Gray equivalents