Precision ring control
You can read the chroma documentation for precision ring control here: GitHub - Aeroluna/Chroma: Chroma™ boasts the most power in color customization you've ever seen, allowing mappers to customize blocks, lights, sabers, and barriers into not just one but multiple colors!
ChroMapper doesn’t have any UI to control the rings, but if added via Node editor it will preview fairly accurately.
You can get an idea of what the different properties do by playing with this model: