Babe Blonde vs Heartfire

How close are they?

ΔE 23.9, loose: different enough that you should pick on purpose. Heartfire is noticeably darker, more muted, warmer than Babe Blonde.

Can I use Heartfire instead of Babe Blonde?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 24). Heartfire is noticeably darker, more muted, warmer than Babe Blonde.

Can I use Babe Blonde instead of Heartfire?

The same difference applies the other way round: Babe Blonde 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.