This is a simple tool to recolor a Lottie JSON file. It's ment to quickly generate dark mode variants of Lottie animations by replacing a set of colors with other colors. The colors are defined in a config file (see example-config.json). The colors are defined as ARGB hex strings.
git clone https://github.com/crysxd/LottieColorizer
cd LottieColorizer
npm install -g
colorize show-config path/to/config.json
colorize single path/to/config.json input-lottie.json output-lottie.json