ΔE 10.2, fair: the same colour family, but not a straight swap. Rich Gold is a little lighter, more saturated than Shin Gunto Gold.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 10). Rich Gold is a little lighter, more saturated than Shin Gunto Gold.
The same difference applies the other way round: Shin Gunto Gold is a little 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 Shin Gunto Gold on the colour wheel See Rich Gold on the colour wheel
All matches: Shin Gunto Gold equivalents · Rich Gold equivalents