ΔE 3.8, very close: most people won’t see a difference side by side. Rust is a little lighter, cooler than Ashroot.
Yes, for most jobs. Very close match (ΔE 4). Rust is a little lighter, cooler than Ashroot.
The same difference applies the other way round: Ashroot is a little darker, 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.
See Ashroot on the colour wheel See Rust on the colour wheel
All matches: Ashroot equivalents · Rust equivalents