ΔE 6.1, close: similar, with a visible difference side by side. Corpse Pale is more muted, cooler than Highlight Flesh.
Usually, if you are not matching paint already on the model. Close match (ΔE 6). Corpse Pale is more muted, cooler than Highlight Flesh.
The same difference applies the other way round: Highlight Flesh is 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 Highlight Flesh on the colour wheel See Corpse Pale on the colour wheel
All matches: Highlight Flesh equivalents · Corpse Pale equivalents