[quote=Sep]
Sith Lightsabers are typically red because artificial crystals are generically red. Luke using this as training for his Padawans as they need to concentrate with the Force to make the colour of the crystal one they want.Also sorry not in the zone to right tonight, what was the verdict on the dual phase lightsaber btw?
[/quote]

It's very advanced for a padawan, but if your guy becomes good enough to build one it's fine.