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.
Middle Fork. The Middle Fork Kentucky River is a tributary of the North Fork Kentucky River, approximately 105 miles (169 km) long, in southeastern Kentucky. It rises in the Appalachian Mountains in southernmost Leslie County, approximately 16 miles (26 km) from the Virginia state line, and flows north through the Cumberland Plateau past Hyden.