ok i'm gonna try and name these.
darvincyan: celtic union of ireland and wales (has lost scotland and brittany)
royal teal: united kingdom of great britain, denmark, and scotland
dark green: gigant sweden
naru red: napoleonic france
medium green: iberian union
purple: byzantium
pink: timurids/persia
lavender: kievan rus
very dark green: golden horde
golden: poland