ΔE 9.8, close: similar, with a visible difference side by side. Salmon Rose is more saturated, cooler than Shadow Flesh. They are different kinds of paint: Pro Acryl Shadow Flesh is a one-coat contrast-style paint and Vallejo Salmon Rose is an opaque base/layer paint, so they won’t behave the same on the model even where the colour is close.
✓ Herrick Games paint comparison chart lists these two as equivalents.
Usually, if you are not matching paint already on the model. Close match (ΔE 10). Salmon Rose is more saturated, cooler than Shadow Flesh. They are different kinds of paint.
The same difference applies the other way round: Shadow Flesh is 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.
See Shadow Flesh on the colour wheel See Salmon Rose on the colour wheel
All matches: Shadow Flesh equivalents · Salmon Rose equivalents