ΔE 14.5, fair: the same colour family, but not a straight swap. Moonbeam Yellow is a little darker, much more saturated than Volcanic Yellow.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Moonbeam Yellow is a little darker, much more saturated than Volcanic Yellow.
The same difference applies the other way round: Volcanic Yellow is a little lighter, much more muted.
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 Volcanic Yellow on the colour wheel See Moonbeam Yellow on the colour wheel
All matches: Volcanic Yellow equivalents · Moonbeam Yellow equivalents