# File lib/less/engine/nodes/literal.rb, line 33
      def operate op, other
        color = if other.is_a? Numeric
          rgb.map {|c| c.send(op, other) }
        else
          rgb.zip(other.rgb).map {|a, b| a.send(op, b) }
        end
        self.class.new *[color, @a].flatten # Ruby 1.8 hack
      end