At Magic Kingdom it will of course be Cinderella’s Castle, at Epcot the same change will take place for Spaceship Earth.
At Disney’s Hollywood Studios it will be the Tower of Terror.
The castle at Magic Kingdom will also get some new decorations during the day, which you can check out below.
Walt Disney World is calling the new look the parks will receive EARidescence, and all four parks will be decorated in the new color scheme to celebrate the event.