Dark Rust vs Rifle Brown

How close are they?

ΔE 11.6, fair: the same colour family, but not a straight swap. Rifle Brown is a little lighter, more muted, cooler than Dark Rust.

Can I use Rifle Brown instead of Dark Rust?

Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 12). Rifle Brown is a little lighter, more muted, cooler than Dark Rust.

Can I use Dark Rust instead of Rifle Brown?

The same difference applies the other way round: Dark Rust is a little 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.