The Colorado General Assembly passed a resolution adopting an official state tartan on March 3, 1997. The tartan is comprised of a pattern and colors that symbolize Colorado's splendor and history. The pattern or sett consists of primary blocks of forest green and cerulean blue separated by broad dividing bands of black, with the forest green checks containing two pairs of tram tracks consisting of lavender and white and with the cerulean blue checks containing a gold stripe with red guard lines. The official state tartan is a Celtic and a "district" tartan that may be worn by any resident or friend of Colorado whether or not of Celtic heritage. July 1st is designated as "Tartan Day" in Colorado under House Joint Resolution 96-1014. National Tartan Day is April 6.