Arbuckles Brown vs Rust

How close are they?

ΔE 12.6, fair: the same colour family, but not a straight swap. Rust is noticeably lighter, more saturated than Arbuckles Brown.

Can I use Rust instead of Arbuckles Brown?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Rust is noticeably lighter, more saturated than Arbuckles Brown.

Can I use Arbuckles Brown instead of Rust?

The same difference applies the other way round: Arbuckles Brown is noticeably darker, more muted.

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.