ΔE 12.6, fair: the same colour family, but not a straight swap. Gold Leaf is a little lighter, more saturated, cooler than Gehenna's Gold.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Gold Leaf is a little lighter, more saturated, cooler than Gehenna's Gold.
The same difference applies the other way round: Gehenna's Gold is a little darker, more muted, 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.
See Gehenna's Gold on the colour wheel See Gold Leaf on the colour wheel
All matches: Gehenna's Gold equivalents · Gold Leaf equivalents