ΔE 12.0, fair: the same colour family, but not a straight swap. Dusty Blue is cooler than Occultist Cloak.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Dusty Blue is cooler than Occultist Cloak.
The same difference applies the other way round: Occultist Cloak is warmer.
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 Occultist Cloak on the colour wheel See Dusty Blue on the colour wheel
All matches: Occultist Cloak equivalents · Dusty Blue equivalents