ΔE 14.7, fair: the same colour family, but not a straight swap. Gold is noticeably lighter, more saturated than Retributor Armour.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 15). Gold is noticeably lighter, more saturated than Retributor Armour.
The same difference applies the other way round: Retributor Armour is noticeably darker, 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 Retributor Armour on the colour wheel See Gold on the colour wheel
All matches: Retributor Armour equivalents · Gold equivalents