What was the color of Dooku's lightsaber when he was a Jedi?

Question

As lightsabers are red because Sith use them, the color of Dooku's lightsaber must not have been red when he was a Jedi. But, we also see that the color of a Jedi's lightsaber can vary: Yoda had a green lightsaber, the Jedi Temple Guards had yellow lightsabers, Windu had purple lightsaber, Ahsoka had a white lightsaber and blue lightsabers are the most famous among Jedi.

What color was Dooku's lightsaber when he was a Jedi?

Answer 1

His second lightsaber as a Jedi was blue, we see this in Age of Republic - Count Dooku with a flashback where he is fighting Yoda as a demonstration.

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