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.
The Red River flows east, its south bank forming the border between Texas and Oklahoma and a portion of the border between Texas and Arkansas at the northeastern corner of Texas. The Red River flows into Arkansas and turns south at Fulton, Arkansas entering Louisiana near Ida.