The shell-colour nail polish is this year's new product.

这款贝壳色的指甲油是今年的新品。

youdao

Her nail colour was coordinated with her lipstick.

她指甲上的染色与她的口红相配。

《柯林斯英汉双解大词典》

We are standing in a spacious kitchen painted a dusky pink colour that, were it a lipstick or nail varnish, would be called Plum Beautiful or Berry Sorbet.

我们站在一个宽敞的厨房里，厨房被刷成暗暗的粉红色，是一种被叫做亮紫红或浆果汁的口红或指甲油的颜色。

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This rule is of such importance there's even a nail-polish colour by Essie named South of the Highway in its honour.

BBC: Escape from New York