Deepkin Flesh vs Gray Green

How close are they?

ΔE 17.9, loose: different enough that you should pick on purpose. Gray Green is a little darker, more muted, cooler than Deepkin Flesh.

Can I use Gray Green instead of Deepkin Flesh?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 18). Gray Green is a little darker, more muted, cooler than Deepkin Flesh.

Can I use Deepkin Flesh instead of Gray Green?

The same difference applies the other way round: Deepkin 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.