YOU SAID:

Rust is not brown, they are a reddish-brown mixed with orange color.

INTO JAPANESE

サビは茶色ではなく、オレンジ色が混ざった赤茶色です。

BACK INTO ENGLISH

The rust is not brown, but reddish brown with an orange tint.

INTO JAPANESE

サビは茶色ではなく、オレンジがかった赤茶色です。

BACK INTO ENGLISH

The rust is not brown, but orange-reddish brown.

INTO JAPANESE

サビは茶色ではなく、オレンジがかった赤茶色です。

BACK INTO ENGLISH

The rust is not brown, but orange-reddish brown.