¿Cuál es tu color favorito?
¿Cuál es tu color favorito?

3 Answers
Sorry, this question has often been asked, look here.
Para vestir, gris, negro, café y distintos tonos de púrpura.
If I am not mistaken I think it should be ¿Cuál es tu color favorito? Cuál indicates "which" as Qué indicates "what" and with this question you want the "which" word. Welcome to the forum and "para mí, es verde oscuro. ![]()