Japanese Phrase for Asking Someone's Favorite Color: "好きな色は何ですか？"

"好きな色は何ですか？" (Sukina iro wa nan desu ka?) means "What's your favorite color?" and is a basic way to ask about someone's preferences in Japanese. It's commonly used in casual conversation among children. Typical replies use "好きな色は〜です" (Sukina iro wa ~ desu), as in "好きな色は青です" (Sukina iro wa ao desu, My favorite color is blue).