"Star Wars lightsaber colors, explained" - Every lightsaber color in the Star Wars universe.
Lords Of rings lightsaber
Purple is the best lightsaber color. Not only is purple just the best color anyways, but moral ambiguity is not a bad thing!
A purple lightsaber is used by those who where once Siths but have since become Jedi. Those that use these lightsabers tend to be open minded and guided more on their emotions than any other sense.