Sunny Skin Tone vs Flat Flesh

How close are they?

ΔE 10.8, fair: the same colour family, but not a straight swap. Flat Flesh is a little darker, more muted than Sunny Skin Tone.

Can I use Flat Flesh instead of Sunny Skin Tone?

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 muted than Sunny Skin Tone.

Can I use Sunny Skin Tone instead of Flat Flesh?

The same difference applies the other way round: Sunny Skin Tone is a little lighter, 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.