A display panel and a display device are provided. The display panel includes a substrate; a light-emitting unit disposed on one side of the substrate; and a light-shielding layer disposed a side of the light-emitting unit away from the substrate. The light-shielding layer includes a first type of openings and a second type of openings; each of the first type of openings includes a first holding area and a second holding area corresponding the first holding area; first holding areas and the second type of openings are configured to dispose first color resists; the second holding area is configured to dispose a filling color resist; and an opening area of the first holding area is smaller than an opening area of each of the second type of openings.