General:
* Brun rouille: This is the most literal translation, meaning "rust brown." It's a good general term.
* Marron rouille: "Rust brown" with a slightly more reddish tone.
More specific:
* Brun terre d'ombre: "Earth shadow brown" - This suggests a deeper, more earthy brown than "brun rouille."
* Brun rouillé: "Rustified brown" - This emphasizes the rusty, aged aspect of the color.
* Marron rouillé: "Rusty brown" with a slight reddish hue.
Other shades:
* Rouille: "Rust" itself can be used to describe a rusty-orange color.
* Brun orangé: "Orange brown" - This is a good option for lighter rusty brown shades.
* Brun rouge: "Reddish brown" - Good for shades closer to reddish brown.
Ultimately, the best translation will depend on the specific context and the shade you're trying to convey.