Pallid Wych Flesh vs Underbelly Blue

How close are they?

ΔE 13.0, fair: the same colour family, but not a straight swap. Underbelly Blue is a little lighter than Pallid Wych Flesh.

Can I use Underbelly Blue instead of Pallid Wych Flesh?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Underbelly Blue is a little lighter than Pallid Wych Flesh.

Can I use Pallid Wych Flesh instead of Underbelly Blue?

The same difference applies the other way round: Pallid Wych Flesh is a little darker.

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.