Though much of The Rise of Skywalker’s running time was spent revisiting old ideas, the film’s final scene did offer something new. Rey travels to Tatooine after defeating her grandfather, Emperor Palpatine, and putting an end to the Sith threat (for the time being). She buries his and Leia’s lightsabers outside Luke’s childhood home before lighting her own, crafted from the staff we first saw her wield on Jakku. That much is normal; Jedi frequently construct lightsabers. What happens when she ignites it is what makes it exciting. See more neopixel lightsaber
Lightsabers are powered by kyber crystals, which are rare Force-attuned shards scattered across the galaxy, as Jyn Erso explains in Rogue One. Consider them the batteries that power the blades. Kyber crystals are colourless when first acquired, but they take on colour depending on who finds them and what that person does with them. Each colour of kyber crystal has a meaning, and almost every possible hue imaginable has been represented in the larger Star Wars canon. There are subsets of colours that distinguish sabres. For example, Obi-third Wan’s sabre was “medium blue,” while Anakin Skywalker’s first was “deep blue.” However, there is now enough Star Wars lore to classify lightsaber colours based on distinguishing characteristics:
Blue lightsabers are the most common among Jedi, and Jedi Guardians prefer them. A blue sabre typically indicates that the user is highly skilled in battle, and the Jedi Guardians were known as the order’s best fighters.
Green lightsabers are the second most popular among Jedi and are used by the Jedi Consular, a Jedi class that was frequently dispatched on diplomatic missions. Green sabre Jedi prefer communication to combat and are often adept with the Force.
Red lightsabers are the Sith’s preferred weapon. To turn a crystal red, a Force user must inject negative emotions such as hatred or rage into it through a process known as bleeding.
Purple lightsabers are uncommon among the Jedi; the only two characters known to have used one in the main films were Mace Windu and Ki-Adi-Mundi (who used a blue sabre in the films, but had a purple sabre in his youth). Purple sabres indicate that the Jedi wielding them fights aggressively and is familiar with both the light and dark sides of the force.
White lightsabers are typically used by Imperial knights, and were made famous by Ahsoka Tano, a Jedi who was once Anakin Skywalker’s apprentice before leaving the order and appearing in Star Wars Rebels.
Black lightsabers are extremely hard to come by. Only one has ever been seen: Tarre Vizsla, the first Mandalorian child in the Jedi order, wielded one, known as the Darksaber.
Orange lightsabers are the most recent additions to the canon, first appearing in the 2019 video game Jedi: Fallen Order. There were only a few characters who used an orange blade in the canonised Star Wars universe.
