Pumpkin vs Athena Skin

How close are they?

ΔE 22.5, loose: different enough that you should pick on purpose. Athena Skin is much more muted, cooler than Pumpkin.

Can I use Athena Skin instead of Pumpkin?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Athena Skin is much more muted, cooler than Pumpkin.

Can I use Pumpkin instead of Athena Skin?

The same difference applies the other way round: Pumpkin is much more saturated, 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.