This Addon is dead see alternative in comment

If anyone looking here for hopes get something like this again.

Well good new my friend made a WeakAuras thingy that changes everything to custom color you want even my long wish mini map and world map blips!

Community/guild chat history does not work sadly probably server side picked and can't be changed.

Link here below
https://wago.io/rTaXwRFqT

Enjoy!