theme_greyscale (Gruff::Base)

    # File lib/gruff/base.rb, line 403
        def theme_greyscale
          # Colors
          @colors = [
            '#282828', #
            '#383838', #
            '#686868', #
            '#989898', #
            '#c8c8c8', #
            '#e8e8e8', #
          ]

          self.theme = {
            :colors => @colors,
            :marker_color => '#aea9a9', # Grey
            :font_color => 'black',
            :background_colors => 'white'
          }
        end