Each Unison Faction, their colors and the Species they dictate in Serendipity:
(Note: Some Dictate multiple species likes Droids, Humans and Furries and some might not even show up on these lists, also the first species listed under each faction is what is primary in that faction and usually what first made the faction, doesn't exactly mean they are the most important tho.)

Alliance of Free Universes: Leader Fenrir
Colors: Blue, Green, White
Human, Furry, Eridok, Droid, Liberator, Furonas, A.I, Arcurian, Calderan, Charite, Fairak, Techlorian, Omris, Tyton, High Droid, Dust, Ancestor, Ugor, Equestrian, Dracolisk, Aurorex, Chochi, Yulet
Capital Planet: Anu

Tyrannicon Confederacy: Supreme Machine Defiance
Red, Dark Red, Black, Yellow
Tyrannicon, Metallican, Crystalite, DL-Lan, Ikros, Lex, Machindrent(MD)
Tybar

Undead Sovereignty: 4th Lich King Soris
Dark Green, Purple
Undead, Shundari, Reaper, Armor, Human, Furry, Draconiquis, Dark Follower, Golem, Dragon, Dragonoid, Arcadian
New Marrow

Order of the Darksun: Emperor Magus
Black, Red
Human, Furry, Calidam, Yanu, Leisean, Arid Succubus, Droid, Chochi, Java Mo
Vestris

Enclave: President Albater Autumn
Black, Red, Blue, Green
Human, Neku, Ikros, Yulet
Sovris

Jakaal Empire: Great King Dirco Jakaal
Brown
Jakaal, Furry, Hapani, Peruun Elf, Beta Elf, Nicer, Droid, Yulet
New Jakaar

Trak Empire: God Prechus
Brown, Green
Trak, Salven, Genus, Tel, Sib, Psion, Mongr, Grel
Tectonis

Pinnacle of Freedom: Lord Teren Riggs
Tan, Yellow
Human, Kaatasian, Zed, Octoselvent, Varax, Droid
Sol

Droid Commune: Representer B7 Unit 23
Various
Droid, Servitor, Anton, Bolarg
Planet-1196

Independent Coalition: Keeper of Knowledge Clockwork
Various
Extremely Various, Void Walker, Vokus, Demonoid, Darkgod, A.I, Cane, Vaq'ua, Droid
Vaco