ΔE 9.2, close: similar, with a visible difference side by side. Kraken Green is a little darker, more muted, cooler than Waaagh! Flesh.
Usually, if you are not matching paint already on the model. Close match (ΔE 9). Kraken Green is a little darker, more muted, cooler than Waaagh! Flesh.
The same difference applies the other way round: Waaagh! Flesh is a little lighter, more saturated, warmer.
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.
See Waaagh! Flesh on the colour wheel See Kraken Green on the colour wheel
All matches: Waaagh! Flesh equivalents · Kraken Green equivalents