Warm Orange vs Ratskin Flesh

How close are they?

ΔE 15.2, loose: different enough that you should pick on purpose. Ratskin Flesh is a little darker, much more muted than Warm Orange.

Can I use Ratskin Flesh instead of Warm Orange?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 15). Ratskin Flesh is a little darker, much more muted than Warm Orange.

Can I use Warm Orange instead of Ratskin Flesh?

The same difference applies the other way round: Warm Orange is a little lighter, much 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.