Flag of Italy the Italian tricolour flag." As the arms, blazoned "gules a cross argent", mixed with the white of the flag, it was "fimbriated azure", blue being the dynastic colour, although this does not conform to the heraldic rule of tincture. The rectangular civil and state variants were adopted in 1851. In the same year, the Grand Duchy of Tuscany became constitutional and dropped the Austrian flag, with Austria–Lorraine great coat of arms, in favour of the defaced Italian tricolour with simplified arms. It is worthy of note, however, that the arms bear the red-white-red flag of Austria, the opponent of Italian
Flag of Switzerland so that the ratio of cross to flag width is 5:12. The shade of red used in the flag was not defined by law prior to 2017. The 2017 flag law specifies the colour of the flag as: In 2004, the Federal Chancellery published a corporate design guide for the federal administration, in force since 1 January 2007. The colour specifications given there are compatible with those later put in the annex to the flag law. The matching of heraldic tincture to modern color specifications for print or screen display is very uncertain, and to some extent left to the