In Star Wars, the lightsaber, the preferred weapon of the Sith and the Jedi, holds enormous value to its owner. Every lightsaber has a series of crystals called kyber crystals, which could consist of simple crystals, gemstones, rocks, or other items that serve as the lightsaber’s energy source. These kyber crystals resonate, producing the recognizable “whoosh” sound everyone is familiar with and loves, to create a strong, effective blade. The Jedi or Sith Lord had to infuse the crystal with the Force before putting it inside the lightsaber. The Force-user had to spend days in meditation on the crystal in order to do this.

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Luke Skywalker focused on his crystal in Ben Kenobi’s house with just R2-D2 for company, according to Steve Perry’s 1996 novel The Shadows of the Empire (via Publishers Weekly), which depicts the events that occurred between The Empire Strikes Back and Return of the Jedi. The colorful lightsaber blades are a well-known fact.

A Jedi’s chosen class was denoted by the crystals on their lightsaber around 4,000 years BBY (Before the Battle of Yavin). Later, when most Jedi utilized blue or green crystals from Ilum caverns because of personal preference, the usage of crystals from other source worlds became less common, and this difference was abandoned. Here’s what we know about each lightsaber color within the Star Wars universe.

Red Lightsabers

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Sith and other evil Jedi wield red lightsabers. Red lightsabers are fueled by synthetic crystals, claims Star Wars: The Secrets of the Sith, a canon reference book written by Marc Sumerak with illustrations by Sergio Gómez Silván. Dark Jedi’s toxic emotions would corrupt the crystals because they are unable to interact with standard kyber crystals. The crystal that arises from this “bleeding” process has a reddish tint. Red lightsaber crystals may be cleansed with the Force to turn white, as will be mentioned further below.

Yellow Lightsabers

     Lucasfilm

The Jedi Sentinel class, who stood as a middle ground between the Jedi Guardians and Jedi Consulars, tended to favor the usage of yellow lightsabers. They studied the Force and had excellent fighting abilities. Although Jedi Temple Guards used to wield yellow lightsabers, as we saw in Star Wars: The Rise of Skywalker, any Jedi can own one.

Green Lightsabers

Jedi who have a particularly deep connection to the Force, such as Yoda and Qui-Gon Jinn, have a tendency to utilize green lightsabers. They were once in use by the Jedi Consular class, who favored discussion over combat and saved their lightsabers for emergency situations. They had a strong interest in understanding the inner workings of the Force.

Blue Lightsabers

Throughout all three Star Wars trilogies, strong Jedi like Anakin Skywalker and Obi-Wan Kenobi have been seen wielding blue lightsabers. They belong to the Jedi Guardians, a group of light-side fighting Jedi who are renowned for their battle prowess, according to the Star Wars Fandom Guide.

Purple Lightsabers

Samuel L. Jackson, who plays Jedi Mace Windu in the prequel trilogy, said that he personally asked for his lightsaber to be colored purple when filming Star Wars: Episode II - Attack of the Clones on The Graham Norton Show in 2013. Evidently, he intended to locate himself quickly for the pivotal fight sequence on Geonosis in the film when viewing it later. George Lucas complied, and while the purple lightsaber was initially just for cosmetic reasons, it has now come to stand for a Jedi who employs both light and dark side skills.

White Lightsabers

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After Order 66, Ahsoka Tano gives up her blue lightsabers, which Anakin had given to her as a present, and pretends to be dead at the end of Star Wars: The Clone Wars. She then kills the Sixth Brother, a Jedi hunter known as an Inquisitor, and takes his red crystals for his lightsabers, according to the Star Wars Fandom Guide. By utilizing the Force to purify them, they finally return to their natural white hue. Since Ahsoka no longer sees herself as a Jedi and isn’t a member of the dark side, her white lightsabers can stand for her uniqueness.

Black Lightsabers

In the Star Wars franchise, there is only one black lightsaber known to exist. This special weapon, known as the Darksaber, was developed by Tarre Vizsla, the first Mandalorian to join the Jedi Order and later come to dominate his own planet of Mandalore. The Darksaber was stored at the Jedi Temple when he passed away, but eventually, his family, House Vizla, took possession of it. Since then, the lightsaber has evolved into a significant representation of Mandalore. Similarly to the Elder Wand in Harry Potter, the only way to own the Darksaber is to defeat the owner in a fight.

Alternative Colored Lightsabers

Lightsabers may essentially be any color because there are several different stones, minerals, and crystals that can be utilized to make one. Some gems changed the colors and effects of the lightsabers in which they were inserted. The effects of a crystal on a lightsaber are frequently more potent the rarer the gem is. Galen Marek, for instance, combined his father’s deep blue crystal with Rahm Kota’s green crystal to produce an aqua-blue blade. Lightsaber color crystals may also be unstable or compacted, producing a core that whirled and flashed or a blade that pulsed.