ΔE 5.4, very close: most people won’t see a difference side by side. Grey Blue is a little darker than Fenrisian Grey.
✓ Herrick Games paint comparison chart lists these two as equivalents.
Yes, for most jobs. Very close match (ΔE 5). Grey Blue is a little darker than Fenrisian Grey.
The same difference applies the other way round: Fenrisian Grey is a little lighter.
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 Fenrisian Grey on the colour wheel See Grey Blue on the colour wheel
All matches: Fenrisian Grey equivalents · Grey Blue equivalents