Sentence examples for what colour from inspiring English sources

"what colour" is a grammatically correct and usable phrase in written English.
It is often used as part of a question, specifically when asking about the color of something. For example: "What colour is your new dress?" "I'm not sure, could you tell me what colour it is?" In this example, the speaker is asking for the color of the dress, and using "what colour" to do so.