Star Wars: What Do the Lightsaber Colours Mean?
The Star Wars Lightsaber Colours, Explained
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Yellow lightsabers were primarily used by the Jedi Sentinel class, who represented a balance between the Jedi Guardians and Jedi Consulars. They had great combat skills and studied the Force. Yellow lightsabers were primarily used by Jedi Temple Guards, but as we saw in "Star Wars: The Rise of Skywalker," any Jedi can have one.