Light Skin vs Light Flesh

How close are they?

ΔE 9.3, close: similar, with a visible difference side by side. Light Flesh is a little lighter, more muted than Light Skin.

Can I use Light Flesh instead of Light Skin?

Usually, if you are not matching paint already on the model. Close match (ΔE 9). Light Flesh is a little lighter, more muted than Light Skin.

Can I use Light Skin instead of Light Flesh?

The same difference applies the other way round: Light Skin is a little darker, more saturated.

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.