Welche Farbe hat der Sonnenschein was the song representing Switzerland at the 1984 Contest in Luxembourg. The trio Rainy Day performed the song in German, as it was the turn of the Swiss German broadcaster to send a song to Eurovision. The song was performed 17th in the running order, following Finland and preceding the penultimate song Italy. At the close of voting, the song placed 16th in a field of 19, with just 30 points.