Khroma is an AI-powered color tool that helps designers, coders, and creatives discover and save appealing color combinations. By learning from users' color preferences, it generates personalized palettes that adhere to color theory principles. The tool offers features like detailed color information, search and filter options, and accessibility ratings. Users might choose Khroma to save time, overcome lack of color theory knowledge, customize palettes to their taste, and ensure their designs are visually appealing and accessible.