# File lib/highline/style.rb, line 154
    def variant(new_name, options={})
      raise "Cannot create a variant of a style list (#{inspect})" if @list
      new_code = options[:code] || code
      if options[:increment]
        raise "Unexpected code in #{inspect}" unless new_code =~ /^(.*?)(\d+)(.*)/
        new_code = $1 + ($2.to_i + options[:increment]).to_s + $3
      end
      new_rgb = options[:rgb] || @rgb
      self.class.new(self.to_hash.merge(:name=>new_name, :code=>new_code, :rgb=>new_rgb))
    end