ΔE 14.6, fair: the same colour family, but not a straight swap. Russ. AF Grey N.8 is a little darker, more saturated than Miskatonic Grey.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Russ. AF Grey N.8 is a little darker, more saturated than Miskatonic Grey.
The same difference applies the other way round: Miskatonic Grey 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 Miskatonic Grey on the colour wheel See Russ. AF Grey N.8 on the colour wheel
All matches: Miskatonic Grey equivalents · Russ. AF Grey N.8 equivalents