De-color is a term used to describe the process of removing color from something, but sometimes we want to express the opposite meaning. In this case, we can use antonyms, words that have the opposite meaning of de-color. Some antonyms of de-color include "color," which means to add or enhance the color of something, "pigment," which refers to any substance that gives color to a material, and "dye," which is a substance used to impart color to something. Other antonyms might include "brighten," "illuminate," or "vividify," which all suggest making something more colorful or bright. Whatever word you choose, antonyms can help you express the opposite meaning of de-color.