Warplock Bronze vs Electrum

How close are they?

ΔE 20.5, loose: different enough that you should pick on purpose. Electrum is noticeably lighter, more saturated, cooler than Warplock Bronze.

Can I use Electrum instead of Warplock Bronze?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Electrum is noticeably lighter, more saturated, cooler than Warplock Bronze.

Can I use Warplock Bronze instead of Electrum?

The same difference applies the other way round: Warplock Bronze is noticeably 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.