The antonyms for the word "dis-coloring" include coloring, tinting, staining, and brightening. If something is colored or tinted, it means that it has been enhanced with a particular shade or hue, giving it a visually appealing appearance. Staining, on the other hand, refers to the application of a substance that produces a permanent change in color, typically for wood surfaces. Finally, brightening means to add brightness to something or lightening its appearance, making it appear more vibrant and energetic. All of these antonyms illustrate how we can reverse the negative effects of discoloration, brightening up and enhancing our visual surrounds.