12. The method of claim 1 , further comprising, identifying a color palette from the dataset of color palettes for colorizing an input document based on a user-specified entity category.
12. The method of claim 1 , further comprising, identifying a color palette from the dataset of color palettes for colorizing an input document based on a user-specified entity category. 13. The method of claim 12 , wherein the document includes an image and the method further includes: forming a color palette based on colors in the image; and comparing the color palette to color palettes in the dataset to identify at least one similar palette categorized in the user-specified entity category.