Soft Tone vs Pecatum Flesh

How close are they?

ΔE 19.9, loose: different enough that you should pick on purpose. Pecatum Flesh is noticeably lighter, more saturated, cooler than Soft Tone.

Can I use Pecatum Flesh instead of Soft Tone?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Pecatum Flesh is noticeably lighter, more saturated, cooler than Soft Tone.

Can I use Soft Tone instead of Pecatum Flesh?

The same difference applies the other way round: Soft Tone is noticeably darker, more muted, 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.