A display panel and a display module are provided. The display panel includes a first base, a black matrix layer, and a color resist layer, wherein the black matrix layer includes a plurality of openings, the color resist layer is disposed above the first base and filled in the plurality of openings. A light reflectivity of a side of the black matrix layer away from the first base is greater than a light reflectivity of a side of the black matrix layer close to the first base.