ΔE 13.0, fair: the same colour family, but not a straight swap. Rusty Metal is noticeably darker, more saturated than Honed Steel.
Only where an exact match doesn’t matter, such as a new unit or a highlight. Fair match (ΔE 13). Rusty Metal is noticeably darker, more saturated than Honed Steel.
The same difference applies the other way round: Honed Steel is noticeably lighter, 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.
See Honed Steel on the colour wheel See Rusty Metal on the colour wheel
All matches: Honed Steel equivalents · Rusty Metal equivalents