Every Jedi with a purple lightsaber (not just Mace Windu)
Mace Windu may be the most famous Jedi to wield a purple lightsaber, but there are actually several others in the Star Wars canon who have done so.
Mace Windu isn't the only Jedi in Star Wars to wield a purple lightsaber. When Samuel L. Jackson joined the Star Wars prequel films, he made an unusual request of George Lucas. He wants his Jedi, Mace Windu, to have a unique purple lightsaber. Lucas initially resisted, insisting that the lightsaber only come in three colors -- blue, green, and red -- but eventually backed down. The purple lightsaber became Mace Windu's signature weapon, setting a precedent for many other colors of lightsaber blades.
In the universe, the purple lightsaber is seen as a symbol of Mace's character flaw. The colors are a mix of red and blue, thus pointing to the inner darkness that churns within Mace. That's the secret of Mace's success as a Jedi Master, as he feels a deep sense of failure against the dark side of himself and works hard to restrain it. Of course, the Clone Wars pushed Mace to the brink, and he succumbed to the temptation to kill an already-defeated foe when he stood by Palpatine in Star Wars: Episode III - Revenge of the Sith. But Mace isn't the only one wielding a purple lightsaber, whether in canon or old Star Wars Expanded Universe (now called "Legends" by Lucasfilm).
8/8 Mace Windu
Oddly enough, Mace Windu's purple lightsaber links the classic and the legendary. The Expanded Universe revealed that the blade is powered by the rare Hurikane crystal, a kyber variant with unique properties. While hurricane crystals are not mentioned in the canon, source sources have confirmed that kyber variants do still possess these unusual properties and colors. Most Jedi from the prequel era got their kyber crystals from the planet Ilum, which explains why Mace is one of the few Jedi with purple blades.
7/8 Vernestra Rwoh
Recent Star Wars novels and comics have explored the Age of the Republic centuries before the prequel trilogy. Purple lightsabers seem to be more common during the Age of the Republic, an era when Jedi don't seem to be that afraid of the dark. Vernestra Rwoh is one of the most famous Jedi Knights to wield a purple lightsaber, earning the title of Jedi Master at the age of 15. She is very sensitive to the Force, which prompted her to redesign her lightsaber and turn it into an unusual light whip.
6/8 Ty Yorrick
Ty Yorrick - unique hero of the Age of Republic - Also known for his distinctive purple lightsaber. She joined the Jedi Order at a young age, leaving after an undisclosed incident to become a hired Saber. She's usually focused on monster hunting, which means she becomes very useful when dark side creatures like Dregil and the Nameless threaten the Outer Rim. Tayorick finds herself once again embroiled in Jedi affairs, and it's likely she will return to the Order.
5/8 Sav Malagan
Jedi Padawan Sav Malagan is a new addition to Star Wars, introduced in the latest Star Wars: The High Republic Adventures series. Trained on Maz Kanata's planet Takodana, Sav Malagan is an unusual Jedi with a thirst for adventure. His adventure has only just begun, but he seems destined to be involved in a lot of conflict.
4/8 Kelleran Beq
Kelleran Beq, played by Ahmed Best, is the Jedi Master who oversees Lucasfilm's Star Wars: Jedi Temple Challenge game show. Best was given a lot of latitude when creating the character, who evolved into a skilled lightsaber fighter - nicknamed "The Hand of the Saber". Certain aspects of Beq's character were inspired by Obi-Wan Kenobi, Yoda, and Shaolin monks Kung Fu movies that Best loved as a kid. Of course, his purple lightsaber is a nod to Mace Windu.
As a Rodian who served in the Jedi Order during the prequel era, Huulik served on the front lines of the Clone Wars, even fighting alongside Anakin Skywalker himself. Seriously injured after Order 66, Huulik set the starship on course to return to Rodia, but died during the journey. His family built a mausoleum in his honor, and Luke Skywalker eventually acquired Huulik's sword, which contained many different kyber crystals so it could take on different colors and shades. One of them is amethyst.
2/8 Darth Revan
Only a handful of Jedi have ever wielded purple lightsabers, but they were more common in the older Extended Universe. Even there, however, Darth Revan is a unique figure simply because he's the only known Sith Lord to wield a purple lightsaber. Darth Revan has officially returned to Star Wars canon (he's subtly mentioned in Star Wars: The Rise of Skywalker), but it's unknown if his purple blade will be considered canon as well. Here's hoping Lucasfilm will continue to incorporate elements of the classic Star Wars: Knights Order The Old Republic game has entered the Disney era, and Revan's lightsaber will be one of them.
1/8 Other Legends Jedi Who Wielded Purple Lightsabers
There are also many Jedi in the legend who wield purple lightsabers. In some cases, these characters have indeed been incorporated into canon - but without their distinctive blades. In other cases, they may not fit into Disney's timeline. They are: