ΔE 11.3, fair: the same colour family, but not a straight swap. Blue Gorkshroom is a little darker, warmer than Omega Blue.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Blue Gorkshroom is a little darker, warmer than Omega Blue.
The same difference applies the other way round: Omega Blue is a little lighter, 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 Omega Blue on the colour wheel See Blue Gorkshroom on the colour wheel
All matches: Omega Blue equivalents · Blue Gorkshroom equivalents