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.
What river serves as a part of the southern border the state of ... List of river borders of U.S. states ... which serves Washington and ... The South ... List of river borders of U.S. states. ... North and South with at least partial river borders.