Retributor Armour vs Golden Shine

How close are they?

ΔE 16.5, loose: different enough that you should pick on purpose. Golden Shine is more muted, cooler than Retributor Armour.

Can I use Golden Shine instead of Retributor Armour?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 16). Golden Shine is more muted, cooler than Retributor Armour.

Can I use Retributor Armour instead of Golden Shine?

The same difference applies the other way round: Retributor Armour is more saturated, 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.