Viper Brown vs Idrian Flesh

How close are they?

ΔE 12.4, fair: the same colour family, but not a straight swap. Idrian Flesh is noticeably darker, warmer than Viper Brown.

Can I use Idrian Flesh instead of Viper Brown?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Idrian Flesh is noticeably darker, warmer than Viper Brown.

Can I use Viper Brown instead of Idrian Flesh?

The same difference applies the other way round: Viper Brown is noticeably lighter, 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.