Burning Ore vs Sulfide Yellow

How close are they?

ΔE 41.8, loose: different enough that you should pick on purpose. Sulfide Yellow is noticeably lighter, much more muted than Burning Ore.

Can I use Sulfide Yellow instead of Burning Ore?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 42). Sulfide Yellow is noticeably lighter, much more muted than Burning Ore.

Can I use Burning Ore instead of Sulfide Yellow?

The same difference applies the other way round: Burning Ore is noticeably darker, much more saturated.

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.