This is the 2515th most frequent Chinese word.
橙色
Orange (color).
Here, '橙色的' describes the color of the clothes, functioning as an adjective.
我喜欢橙色的衣服,因为它很亮眼。
I like orange-colored clothes because they are very eye-catching.
In this sentence, '橙色的' characterizes the glow of the sky as a specific color, used adjectivally.
天空在傍晚的时候有一种橙色的光辉。
The sky has an orange glow during the evening.
The term '橙色' is used as a noun referring to the color itself in this context.