Antonyms for the word "becomes colorless" include words that infer adding color, such as "enlivens," "brightens," and "vibrates." Other antonyms could be "embellishing," "adorning," or "ornamenting," all of which imply adding more color or decoration to something. Alternatively, words like "tinged," "stained," and "tinged with" all indicate the addition of color, while "hues," "shades," and "tints" all suggest that something is changing or expanding in terms of color. Ultimately, the range of antonyms for "becomes colorless" reflects the many ways that color can be used to impact our experience of the world around us.