Sunpetal vs Gold Dust Woman

How close are they?

ΔE 25.5, loose: different enough that you should pick on purpose. Gold Dust Woman is a little darker, much more muted, warmer than Sunpetal.

Can I use Gold Dust Woman instead of Sunpetal?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 25). Gold Dust Woman is a little darker, much more muted, warmer than Sunpetal.

Can I use Sunpetal instead of Gold Dust Woman?

The same difference applies the other way round: Sunpetal is a little lighter, much 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.