Colo-Colo celebrate the 30th anniversary of winning the Copa Libertadores in 1991 against Olimpia of Paraguay with this ...special jersey. An unusual color for the club, the Colo-Colo 2021 Copa Libertadores 1991 anniversary shirt is mainly silver, inspired by the Copa Libertadores trophy. Adidas combines the silver base with black logos. The side panels are black on the right and white on the left. An inscription that reads "1991 Eternal Champions" appears on the chest.