Silhouette
The interior of a silhouette is featureless, and the whole is typically presented on a light background, usually white, or none at all.
A silhouette is the image of a person, animal, object or scene represented as a solid shape of a single colour, usually black, its edges matching the outline of the subject. The interior of a silhouette is featureless, and the whole is typically presented on a light background, usually white, or none at all.