Kentucky Grass Green – The Kentucky Derby, top-shelf bourbon, Bluegrass, the Wildcats, and broad fields of brilliantly green grasstypify the great state of Kentucky. This friendly green color of Kentucky ink was chosen as a way to tip our hats to this states famous nickname, the Bluegrass State. These dye-based inks are contained in 20ml square glass bottles and are exclusive to North American Sailor Pen Dealers.