Light Tan vs Flat Flesh

How close are they?

ΔE 10.6, fair: the same colour family, but not a straight swap. Flat Flesh is a little darker, more saturated than Light Tan.

Can I use Flat Flesh instead of Light Tan?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 11). Flat Flesh is a little darker, more saturated than Light Tan.

Can I use Light Tan instead of Flat Flesh?

The same difference applies the other way round: Light Tan is a little lighter, 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.