ΔE 11.0, fair: the same colour family, but not a straight swap. Arcane Gold is a little darker, more saturated than Amber Gold.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Arcane Gold is a little darker, more saturated than Amber Gold.
The same difference applies the other way round: Amber Gold is a little lighter, 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 Amber Gold on the colour wheel See Arcane Gold on the colour wheel
All matches: Amber Gold equivalents · Arcane Gold equivalents