1: that energy was being utilized by Protoss warriors during their golden age. Sapphire variants were used by Judicator's personal guards and indigo variants were originally used by Nerazim members of the Conclave.
2: original blue energy of Khalai Protoss.
3: pure green energy in Psi Blades were utilized by Zakhul Guardians the tribe of Protoss known by ability to see a future.
4: Warp Blades and their energies are utilized by Nerazim tribes of Protoss. Magenta variants are used by elites Nerazim destroyed home planet Shakurad.
5: Solarite energy utilized by mechanical Protoss known as Purifiers. Brighter variant are results of specific works done by Karax the phase-smith.
6: Bane energy is utilized by war-like Tal'Darim Protoss and Protoss servants of Amon the fallen Xel'naga.
7: Ihan energy utilized by specific Protoss tribes closely affiliated with Xel'nagas. Teal variants are utilized by true Xel'naga guardians found and led directly by Zeratul while mint variants were utilized by Ihan-Rii. The Protoss sect of self-proclaimed Xel'nagas.
8: silver energy utilized by Gestalts, the prototypes that were result of fusing the human with the Protoss.
9: garnet energy blades were prototypes resulted from Syntax Renegades experimenting with the Protoss technology and anti-matter technology of Latin-themed mutants.
10: forest green energy blades were prototypes resulted from Syntax Hermits experimenting with Protoss technology and radioactive inventory of the post soviet-themed mutants.
11: vibrometal platings and edges were specific metallic materials that turned out to provide easy blocking from psionic/warp/energy/solarite/bane blades attacks.
12: Smoke Blades are results Kel-Morian Combine's secret experiment with Protoss Technology.
13: infested psionic energy was some sort of strange infestation of a Protoss weaponry only.
14: evil psi blade like Smoke Blade results from KMC's secret experiment. However, in opposite to Smoke Blades, Evil Blade is prototype that sooner or later changed into a more powerful weapon, becoming that of a leader of some sort.