Peachy Flesh vs Snakebite Leather

How close are they?

ΔE 17.5, loose: different enough that you should pick on purpose. Snakebite Leather is noticeably darker, more muted, cooler than Peachy Flesh.

Can I use Snakebite Leather instead of Peachy Flesh?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 17). Snakebite Leather is noticeably darker, more muted, cooler than Peachy Flesh.

Can I use Peachy Flesh instead of Snakebite Leather?

The same difference applies the other way round: Peachy Flesh is noticeably lighter, 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.