CJ-Pro is a professional color tool application that combines creativity and practicality, and is committed to providing users with a comprehensive color experience.The app contains a variety of core functions: such as the "Color Spot the Difference" game, which helps users improve color recognition and visual sensitivity in interesting challenges; the "Gradient Wallpaper Generator" supports the input of any two Hex color values, quickly generates high-quality gradient wallpapers, and saves or shares them with one click to create a unique visual background;The "Picture Color Extraction" function can accurately obtain the main color colors from any picture, providing inspiration reference for designers, photographers or color matching enthusiasts; while the "Color Card Production" allows users to freely combine the extracted colors to create their own color scheme for design creation or project reference. In addition, CJ-Pro also thoughtfully supports the "favorite color collection" function. Users can add their favorite colors to the collection and view and call them at any time. The overall interface is simple and elegant, and the operation is intuitive and smooth. Whether it is daily wallpaper creation, design color reference, or color perception training, CJ-Pro can provide users with an efficient and pleasant experience. It is an indispensable creative companion for design practitioners and color lovers.