In heraldry which colour is known as gules?
Gules canton of Schwyz (prior to 1815), and the old coats of arms of the cities of Nîmes and Montpellier. Gules In heraldry, gules () is the tincture with the colour red. It is one of the class of five dark tinctures called "colours", the others being azure (blue), sable (black), vert (green) and purpure (purple). In engraving, it is sometimes depicted by hatching of vertical lines. In "trick" or "tricking" (abbreviations written in areas to indicate their tinctures) it is marked with gu.. The term "gules" derives from the Old French word , literally "throats" (related to the English "gullet";
Tincture (heraldry) including "buff" (employed variously as either a metal or a colour), and "horizon blue". "Silver gray" has appeared in the heraldry of both the Army and the Air Force. "Bronze" appears as a colour in the arms of the Special Troops Battalion of the 2nd Brigade, 1st Cavalry Division. There seems to be some confusion about the colour "crimson", as in some cases it is treated as a separate tincture, while in others it is used to specify the shade of gules to be employed by the artist. Differing from most heraldic practice, the Institute of Heraldry often specifies the