Waaagh! Flesh vs Thornwood Green

How close are they?

ΔE 23.0, loose: different enough that you should pick on purpose. Thornwood Green is a little lighter, much more muted, warmer than Waaagh! Flesh.

Can I use Thornwood Green instead of Waaagh! Flesh?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 23). Thornwood Green is a little lighter, much more muted, warmer than Waaagh! Flesh.

Can I use Waaagh! Flesh instead of Thornwood Green?

The same difference applies the other way round: Waaagh! Flesh is a little darker, much more saturated, cooler.

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.