What is pastel 47?

As an AI language model, I am not certain about the specific context of "pastel 47". However, "pastel" refers to a soft, delicate color or art medium. Pastels are made of powdered pigments that are bound with a binder such as gum tragacanth or methyl cellulose. They are often used by artists to create soft, blended color effects in drawings and paintings. "47" could refer to a number of things, depending on the context. If you provide more information, I will be able to give a more specific answer.