ΔE 11.0, fair: the same colour family, but not a straight swap. Grey Blue RLM84 is a little darker, more saturated than N7 Neutral Gray.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Grey Blue RLM84 is a little darker, more saturated than N7 Neutral Gray.
The same difference applies the other way round: N7 Neutral Gray 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 N7 Neutral Gray on the colour wheel See Grey Blue RLM84 on the colour wheel
All matches: N7 Neutral Gray equivalents · Grey Blue RLM84 equivalents