Unfortunately, the lore-based answer is more vague.
Jackson, who chose the distinct hue so his character stood out during the coliseum climax of Attack of the Clones. The most prominent is repeated by actor Samuel L. Notably the only purple blade in the live-action films, Mace Windus lightsaber has several origins. Mace Windus lightsaber Debuted in Attack of the Clones (2002). NEW SEALED Star Wars Disney Galaxy's Edge MACE WINDU Legacy Lightsaber - Hilt (NO BLADE). Star Wars Disneyland Galaxy's Edge MACE WINDU Lightsaber Hilt with 31 blade
