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 in the American Civil War. Kentucky was a border state of key importance in the American Civil War. President Abraham Lincoln recognized the importance of the Commonwealth when he declared I hope to have God on my side, but I must have Kentucky.. In a September 1861 letter to Orville Browning, Lincoln wrote: