There are different colors of lightsabers available in the Star Wars universe, each with its own meaning. The most common colors are blue, green and red. Blue lightsabers are used by Jedi knights and represent peace and justice, while green lightsabers are used by Jedi masters and represent harmony and balance. Red lightsabers are used by the Sith and symbolize power and anger.
Some other colors of lightsabers are also available, including yellow, purple, white and black. White lightsabers are used by Jedi who use the knowledge of the Force to deactivate droids or balance nature. Black is a rare color used in only the Darksaber as seen in The Mandalorian, for example. Other colors of lightsabers, such as orange, pink, light blue also exist and appear in non-canon Star Wars media.
Wondering which lightsaber color suits you? Then check out this complete overview of all the colors, which characters use this color and what they mean including choice guide :