Comfyi Luminocity masks and tools example workflow with all luminocity presets:

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Processing exposure saturation (using LAB color space)

What yor can make with luma masks: examples will add soon... 0) Basic lightness balancing ( dark more light, mid - more contrast

Dark mids. Create mood
Better vegnetter with mid mask
Fix overexposed hi-lights, and inpaint with sd models
Detail darks saparate from mid and hi light
Darks - low saturation and more datail, mid contrast
Separate processing more contrast to blue channel - more skin/wrinkles , less - more yound skin for portraits
Classic basic color balancing. Low - blue tone (cold), Hi - yellow (warmth)