A color estimation device includes an extraction means to extract, from product information associated with a product image showing a product and containing text information about the product to be presented to a user, a plurality of color text information indicating color names as candidate color names for the product, an estimation means to estimate a color of a product shown in the product image based on a pixel value set on the basis of each of the candidate color names and a pixel value of a pixel included in the product image, and an output means to output the color estimated by the estimation means.