De colorize means to remove color from something, and some antonyms of this word include "colorize," "paint," "tint," "dye," and "stain." When you want to add color to something, you can use these antonyms of de colorize. For example, if a black and white photo needs color, you could use software to colorize the image. If you want to alter the color of a painting, you could use paint to give it a different tint. You might also dye fabric to give it a new color, or stain wood to change its look. All of these antonyms of de colorize can be used to bring more vibrancy and life to something.