Carroburg Crimson vs Pecatum Flesh

How close are they?

ΔE 33.2, loose: different enough that you should pick on purpose. Pecatum Flesh is noticeably lighter, warmer than Carroburg Crimson.

Can I use Pecatum Flesh instead of Carroburg Crimson?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 33). Pecatum Flesh is noticeably lighter, warmer than Carroburg Crimson.

Can I use Carroburg Crimson instead of Pecatum Flesh?

The same difference applies the other way round: Carroburg Crimson is noticeably darker, 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.