red
The French word for 'red' is 'rouge'. It is used similarly to English, in reference to colors of objects, emotions, and even idioms. It is an adjective and its placement varies depending on the noun it modifies.
The sunrise is red.
This phrase uses 'rouge' to describe the color of the sunrise, giving a basic example of how to use color adjectives in French.
He is wearing a red scarf.
The phrase provides an example of how to describe the color of an object someone is wearing. In French, adjectives typically follow the noun they modify.
She has red hair.
This phrase shows an example of using 'rouge' to describe someone's hair color. In French, 'les cheveux' refers to hair in general, not a single strand.