Pastel Salmon vs Plaguebearer Flesh

How close are they?

ΔE 18.1, loose: different enough that you should pick on purpose. Plaguebearer Flesh is a little darker, more muted, cooler than Pastel Salmon.

Can I use Plaguebearer Flesh instead of Pastel Salmon?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Plaguebearer Flesh is a little darker, more muted, cooler than Pastel Salmon.

Can I use Pastel Salmon instead of Plaguebearer Flesh?

The same difference applies the other way round: Pastel Salmon is a little 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.