Relight images without re-generating them: up to 3 positionable light sources, colored light, color correction or both, presets, rim lighting, and mask-aware occlusion with a cast shadow - fast, deterministic, no models to download.
https://github.com/EnragedAntelope/comfyui-relight
git clone https://github.com/EnragedAntelope/comfyui-relight
comfy node install ReLight