Tainted Gold vs Dwarf Shield

How close are they?

ΔE 33.6, loose: different enough that you should pick on purpose. Dwarf Shield is noticeably darker, more muted, warmer than Tainted Gold.

Can I use Dwarf Shield instead of Tainted Gold?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 34). Dwarf Shield is noticeably darker, more muted, warmer than Tainted Gold.

Can I use Tainted Gold instead of Dwarf Shield?

The same difference applies the other way round: Tainted Gold is noticeably lighter, more saturated, 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.