Unseen Color , by james turrell , 2005 , installation , Light and Space style , from the series Tall Glass / Wide Glass Series , Violet, Light, Lighting, Sky, Room
An empty room with a blue screen in the middle of it.
An empty room with a bright blue square in the middle of the room. The room is dark blue and the square is bright blue. There is no light coming from the ceiling and the room is very dim.