GitHub - Mahmud0808/ColorBlendr: An Android app for customizing Material You colors on devices with Android 12+. It lets you tweak accent colors, background saturation, and more for a personalized look.
github.com
An Android app for customizing Material You colors on devices with Android 12+. It lets you tweak accent colors, background saturation, and more for a personalized look. - Mahmud0808/ColorBlendr

Play ストアにはないが、有料のRepainterの代替となりうるアプリ

Shizukuモードでの使用も可能だが、一部機能が制限されるためroot推奨のようだ