It is associated with joy, sunshine, and tropics.  Orange represents enthusiasm, fascination, happiness, creativity, determination, attraction, success, encouragement, and stimulation.  To the human eyes, orange is seen as a very hot color, so it gives the sensation of heat.
West Virginia, Ohio, Illinois, and Indiana form the northern border  of Kentucky, along the Ohio River.
Kentucky USA. Kentucky is one of the border states of the S central United States. Kentucky is bordered by West Virginia and Virginia (E); Tennessee (S); the Mississippi River, across which lies Missouri (SW); and Illinois, Indiana, and Ohio, all across the Ohio River. (W, N).