Lo said the song's title is a reference to "tan traces", incorporating that it is about "living in the sunshine" and the "odd" way of life in Los Angeles that she considers to be "so dark and so pleasurable". According to Lo, the track's title refers to tan lines and its lyrics are about allowing go of one's anxieties. Lo, Finneas, Ludvig Söderberg, Jakob Hazell and Svante Halldin.