def get_color_for_language(lang)
      color_lang = @colors[lang]
      color = color_lang['color']
      if color_lang.nil? || color.nil?
        return StringUtility.random_color_six
      else
        return color
      end
    end
def get_color_for_language(lang)
      color_lang = @colors[lang]
      color = color_lang['color']
      if color_lang.nil? || color.nil?
        return StringUtility.random_color_six
      else
        return color
      end
    end
Gets the defined color for the language.
 @param lang [String] The language name.
 @return [String] The 6 digit hexidecimal color.
 @return [Nil] If there is no defined color for the language.