Red Brown vs Saddle Brown

How close are they?

ΔE 13.5, fair: the same colour family, but not a straight swap. Saddle Brown is noticeably lighter, more muted, cooler than Red Brown.

Can I use Saddle Brown instead of Red Brown?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 14). Saddle Brown is noticeably lighter, more muted, cooler than Red Brown.

Can I use Red Brown instead of Saddle Brown?

The same difference applies the other way round: Red Brown is noticeably darker, 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.