The 2 + 4 are visible but together also resembles the Eiffel Tower, and all the colors used are taken from the Olympic Games logo. (cha-ching!)
Really though, I fell in love with this upon seeing it. In French, we say "coup de foudre" which literally means a lightning strike but more commonly translated as "love at first sight". But yeah, it does feel like a lightning strike more than anything.