ΔE 5.4, very close: most people won’t see a difference side by side. Rust (Metallic) is a little lighter, more saturated than Gloss Aluminum.
Yes, for most jobs. Very close match (ΔE 5). Rust (Metallic) is a little lighter, more saturated than Gloss Aluminum.
The same difference applies the other way round: Gloss Aluminum is a little 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.
See Gloss Aluminum on the colour wheel See Rust (Metallic) on the colour wheel
All matches: Gloss Aluminum equivalents · Rust (Metallic) equivalents