Taylor previewed this upbeat track on the October 1, 2012 episode of ABC's Good Morning America
. The song finds the Country-Pop star playing with the idea of colors in relation to her emotions about a former beau, as she sings: "Losing him is blue, like I'd never known. Missing him was dark grey, all alone. Forgetting him was like trying to know somebody you never met. But loving him was red." Before playing the track, Swift explained its meaning: "I wrote this song about the fact that some things are just hard to forget," she said, "because the emotions involved with them were so intense and, to me, intense emotion is red."
This seems like a good time to point out that Taylor's ex, John Mayer (likely the subject of her song "Dear John
"), has synaesthesia, which means he sees music as colors.
And one more thing on the topic: Fiona Apple did something similar - relating intense feelings to the color red - on her 2005 song "Red Red Red