ΔE 13.1, fair: the same colour family, but not a straight swap. Medium Blue is a little darker, more muted than Blue Gorkshroom.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Medium Blue is a little darker, more muted than Blue Gorkshroom.
The same difference applies the other way round: Blue Gorkshroom is a little lighter, more saturated.
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 Blue Gorkshroom on the colour wheel See Medium Blue on the colour wheel
All matches: Blue Gorkshroom equivalents · Medium Blue equivalents