Features
Set your default or another user's chat colour or font
Different permission per colour & permission to allow access to all colours (ChatColor.colours)
Turn off your or another user's chat colouring (ChatColour.reset)
List all permissions in game
3 Different ways to set colour (/chatcolour <code|&code|colourname>)

Commands & Permissions
<<code>> commands: ChatColour: description: Set your or another users default format or color in chat

(type /chatcolour help in game for more help) <</code>>

permissions:
    ChatColour.admin:
        description: Admin perm
        children:
          ChatColour.colours: true
        default: op
    ChatColour.colours:
        description: All colours
        children:
          ChatColour.green: true
          ChatColour.aqua: true
          ChatColour.red: true
          ChatColour.pink: true
          ChatColour.yellow: true
          ChatColour.white: true
          ChatColour.black: true
          ChatColour.dark_blue: true
          ChatColour.dark_green: true
          ChatColour.dark_aqua: true
          ChatColour.dark_red: true
          ChatColour.purple: true
          ChatColour.gold: true
          ChatColour.grey: true
          ChatColour.dark_grey: true
          ChatColour.bold: true
          ChatColour.italic: true
          ChatColour.underline: true
          ChatColour.strikethrough: true
          ChatColour.magic: true
          ChatColour.reset: true
          ChatColour.use: true
        default: op
    ChatColour.reset:
        description: Colour reset
        default: op
    ChatColour.green:
        description: Green
        default: op
    ChatColour.aqua:
        description: Aqua
        default: op
    ChatColour.red:
        description: Red
        default: op
    ChatColour.pink:
        description: Pink
        default: op
    ChatColour.yellow:
        description: Yellow
        default: op
    ChatColour.white:
        description: White
        default: op
    ChatColour.black:
        description: Black
        default: op
    ChatColour.dark_blue:
        description: Dark blue
        default: op
    ChatColour.dark_green:
        description: Dark green
        default: op
    ChatColour.dark_aqua:
        description: Dark aqua
        default: op
    ChatColour.dark_red:
        description: Dark red
        default: op
    ChatColour.purple:
        description: Purple
        default: op
    ChatColour.gold:
        description: Gold
        default: op
    ChatColour.grey:
        description: Grey
        default: op
    ChatColour.dark_grey:
        description: Dark Grey
        default: op
    ChatColour.blue:
        description: Blue
        default: op
    ChatColour.bold:
        description: Bold
        default: op
    ChatColour.magic:
        description: Magic
        default: op
    ChatColour.underline:
        description: Underline
        default: op
    ChatColour.strikethrough:
        description: Strikethrough
        default: op
    ChatColour.italic:
        description: Italic
        default: op   
    ChatColour.use:
        description: Allow use of /chatcolour (needed for everything)
        default: op

My other work

GlobalMute: http://www.spigotmc.org/resources/globalmute.4579/
ClearChat: https://www.spigotmc.org/resources/clear-chat.4835/
CmdSpy: https://www.spigotmc.org/resources/cmdspy.7237/
ChatManager: https://www.spigotmc.org/resources/chat-manager.4558/

Chat Colour