Petalica Paint is a automatic colorization tool developed by Preferred Networks.Petalica Paint, created by Preferred Networks, is an AI-powered tool that automates colorization for digital artists. It simplifies rough sketches and adds color hints for guidance. Key features include automatic colorization, refined stroke simplification, three colorization styles, integration with Pixiv Sketch, clear terms of service and privacy policy. Use cases include digital artists, sketch artists, illustrators, and designers. Petalica Paint empowers artists by automating colorization and enhancing artwork.