ΔE 8.6, close: similar, with a visible difference side by side. White Flesh is a little lighter, more saturated than Leather White.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). White Flesh is a little lighter, more saturated than Leather White.
The same difference applies the other way round: Leather White is a little darker, more muted.
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 Leather White on the colour wheel See White Flesh on the colour wheel
All matches: Leather White equivalents · White Flesh equivalents