Luminous Flesh vs Light DAK Sand

How close are they?

ΔE 7.8, close: similar, with a visible difference side by side. Light DAK Sand is more saturated than Luminous Flesh.

Can I use Light DAK Sand instead of Luminous Flesh?

Usually, if you are not matching paint already on the model. Close match (ΔE 8). Light DAK Sand is more saturated than Luminous Flesh.

Can I use Luminous Flesh instead of Light DAK Sand?

The same difference applies the other way round: Luminous Flesh is 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.