ΔE 12.9, fair: the same colour family, but not a straight swap. Sombre Grey is a little lighter, more muted, warmer than Bering Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Sombre Grey is a little lighter, more muted, warmer than Bering Blue.
The same difference applies the other way round: Bering Blue is a little darker, more saturated, cooler.
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 Bering Blue on the colour wheel See Sombre Grey on the colour wheel
All matches: Bering Blue equivalents · Sombre Grey equivalents