Warplock Bronze vs Ancient Gold

How close are they?

ΔE 16.8, loose: different enough that you should pick on purpose. Ancient Gold is noticeably lighter, more saturated, cooler than Warplock Bronze.

Can I use Ancient Gold instead of Warplock Bronze?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Ancient Gold is noticeably lighter, more saturated, cooler than Warplock Bronze.

Can I use Warplock Bronze instead of Ancient Gold?

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.