In an effort to improve visibility and clearly differentiate the teams for both referees and spectators, UEFA requested that FC Barcelona and Atlético Madrid wear their second kits for both games of their upcoming Champions League quarter-final tie. Barça, thus, will be wearing their red and gold 'Senyera' kit, while Atlético will be sporting dark blue.
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Other precedents
A similar situation occurred earlier this season when FC Barcelona faced Twente in the second leg of the UEFA Women's Champions League. Since the Dutch side could only choose from all red or all blue, Barça played with the 'Senyera' kit at their home grounds.
The gold kit at Camp Nou
Barça's first team has played a home Champions League match with an alternate strip once before — which was also yellow — coming in the 2008/09 Champions League preliminary stage against Wisla Krakow. Curiously it was the first official match with Pep Guardiola as manager and the 4–0 victory set Barça on their path to that season's championship, which they won in Rome.
