Antonyms for the word "decolored" include colored, dyed, pigmented, saturated, and tinted.
These words describe the opposite of decoloring, which is the process of removing or reducing color from something. For example, if a piece of clothing is decolored due to washing it with bleach, it will become lighter in color or completely white. On the other hand, if you want to enhance or add color to something that has lost its vibrancy, you might use a product that is colored, dyed, or pigmented. These antonyms can be useful when trying to convey a certain mood or aesthetic in creative endeavors such as art, design, and fashion.