Server Colour and Nickname owner

I would like it if not only could discord server categories have sub categories but could also colour channels so that it will be more organised and easy to navigate. I would also like the ability to allow other members to be able to change the nickname of the owner. Their is an option to allow members to change each others nicknames but does not apply to owner. I think this is sad. I also think the colours would help for anyone suffering with Dyslexia.