Gehenna's Gold vs All That Glitters

How close are they?

ΔE 15.3, loose: different enough that you should pick on purpose. All That Glitters is more muted, cooler than Gehenna's Gold.

Can I use All That Glitters instead of Gehenna's Gold?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). All That Glitters is more muted, cooler than Gehenna's Gold.

Can I use Gehenna's Gold instead of All That Glitters?

The same difference applies the other way round: Gehenna's Gold 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.