ΔE 7.3, close: similar, with a visible difference side by side. Pink Flesh is a little lighter, more muted, cooler than Agate Skin.
Usually, if you are not matching paint already on the model. Close match (ΔE 7). Pink Flesh is a little lighter, more muted, cooler than Agate Skin.
The same difference applies the other way round: Agate Skin is a little darker, 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.
See Agate Skin on the colour wheel See Pink Flesh on the colour wheel
All matches: Agate Skin equivalents · Pink Flesh equivalents