Skrag Brown vs Inferno Orange

How close are they?

ΔE 20.2, loose: different enough that you should pick on purpose. Inferno Orange is a little lighter, more saturated, cooler than Skrag Brown.

Can I use Inferno Orange instead of Skrag Brown?

Not as a straight swap; see the closer alternatives below. Loose match (ΔE 20). Inferno Orange is a little lighter, more saturated, cooler than Skrag Brown.

Can I use Skrag Brown instead of Inferno Orange?

The same difference applies the other way round: Skrag Brown is a little darker, more muted, 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.