橙 + Noun / 橙色 + 的 + Noun
橙 (chéng) means "orange" as a color and can also refer to the orange fruit. When used as a color modifier, it is placed directly before the noun it describes.
她今天穿了一件橙色的外套,特别好看。
Tā jīntiān chuānle yī jiàn chéngsè de wàitào, tèbié hǎokàn.
She wore an orange coat today, and it looked really nice.
秋天的时候,树叶慢慢变成了橙色。
Qiūtiān de shíhou, shùyè mànmàn biànchéngle chéngsè.
In autumn, the leaves slowly turn orange.
我想把卧室的墙刷成橙色的。
Wǒ xiǎng bǎ wòshì de qiáng shuā chéng chéngsè de.
I want to paint the bedroom walls orange.