Achromatizes is a word that means to remove color or to make something colorless. The antonyms of this word are those that imply the addition of color or the appearance of colorful hues. Some of the antonyms include tint, dye, pigment, and brighten. Other antonyms that can be used in place of achromatizes are colorize, enliven, vivify, and illuminate. These words indicate the enhancement of color or the creation of a vibrant and vivid color. To use antonyms for achromatizes effectively, it's important to know which word to use for the right context. Whether it's adding color to a painting, a design element or a photograph, antonyms for achromatizes are ideal.