Provided is a color-developing structure that can suppress a decrease in visibility of a specific color. A color-developing structure of an embodiment comprises an uneven structure layer having an uneven surface, and an optical layer formed on the uneven surface of the uneven structure layer, wherein the uneven surface is composed of a plurality of uneven elements having a curved surface, The plurality of uneven elements include a plurality of convex portions having a constant aspect ratio, which is a ratio of a maximum thickness along a thickness direction to a width in a short side direction of the uneven element, a surface of the optical layer opposite to the uneven structure layer is formed of a surface along the uneven surface, The aspect ratio is 0.1 or more and 1.0 or less. Figure 1

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