Permissions:
Permission Use
chatcolor.*
Allows a player to use everything in ChatColor.
chatcolor.use
Allows a player to use /chatcolor and /chatcolor cmdhelp.
chatcolor.gui
Allows a player to use /chatcolor gui.
chatcolor.color.* Allows a player to use all colors.
chatcolor.color.<color> Allows a player to use color.
chatcolor.modifier.* Allows a player to use all modifiers.
chatcolor.modifier.<modifier> Allows a player to use a modifier.
chatcolor.change.* Allows a player to change everyone's chat color.
chatcolor.change.self Allows a player to change their own color.
chatcolor.admin.* Allows a player to use all admin commands.
chatcolor.admin.<cmd> Allows a player to use an admin command.
Note: You must use either numbers or letters found above for the colors and modifiers permissions except 'chatcolor.color.rainbow'.