ΔE 30.8, loose: different enough that you should pick on purpose. Gold Yellow is a little darker, much more saturated, warmer than Sulfide Yellow.
Not as a straight swap; see the closer alternatives below. Loose match (ΔE 31). Gold Yellow is a little darker, much more saturated, warmer than Sulfide Yellow.
The same difference applies the other way round: Sulfide Yellow is a little lighter, much more muted, cooler.
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 Sulfide Yellow on the colour wheel See Gold Yellow on the colour wheel
All matches: Sulfide Yellow equivalents · Gold Yellow equivalents