PAL colour transmissions began in 1968 , and the first programme made and transmitted in colour was " John Hume 's Derry . " The first outside broadcast in colour for RTÉ Television was the 1971 Railway Cup Finals ( Gaelic Athletic Association ) , and soon after that , the Eurovision Song Contest 1971 from Dublin . In the 1970s the studios in RTÉ 's Television Centre started being equipped for colour , the first was the news studio in 1974 , studio 2 in 1975 and finally studio 1 ( the largest studio , used for productions such as '' The Late Late Show '' ) in 1976
Eurovision Song Contest 1971
Eurovision Song Contest 1971
RTÉ One