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