In 1989 Winning Colors raced in her final campaign at age four and won two of her seven races and came ninth in the Breeders Cup Distaff, in a season hampered by breathing difficulties and surgery. Winning Colors was voted the 1988 Eclipse Award for Outstanding 3-Year-Old Filly. In 2000, Winning Colors was inducted into the United States' National Museum of Racing and Hall of Fame. As a broodmare, Winning Colors produced ten foals and six winners:   Winning Colors was euthanized February 17, 2008, at the age of 23 as a result of complications from colic. She was in foal to Mr. Greeley. She is buried at Greentree Farm, a division of Gainesway Farm near Lexington, Kentucky.