minimum_color_diff= (Color::Palette::MonoContrast)

    # File lib/color/palette/monocontrast.rb, line 76
      def minimum_color_diff=(cd) #:noco:
        if cd.nil?
          @minimum_color_diff = DEFAULT_MINIMUM_COLOR_DIFF
        elsif cd > 3.0
          @minimum_color_diff = 3.0
        elsif cd < 0.0
          @minimum_color_diff = 0.0
        else
          @minimum_color_diff = cd
        end
        regenerate(@background[0], @foreground[0])
      end