Custom colour prefix support?

[Yeregorix]

With a vanilla client, it’s impossible, you must use a mod.

Hexidecimal colors being supported for Minecraft chat?

I think hexidecimal colors should be supported for Minecraft chat, if it is even possible. Maybe there could be a method in Sponge. For example: ChatColor(#000000). Let me know whwat you think about this idea.