The Light Card and the Dark Card are the only cards that don't have any color on their bodies. Their colors are in the background behind them. Light has a white background while Dark has a black background.
Clow Cards Captured: The Dark and The Light (Sakura)
Sakura's Costume: Blue Prince outfit with red cape and hat.
Naoko: Kiss the princess if you truly love her.
Kero: Oh! Here's the good part.
Meilin: If only I could play the prince!
Touya: Don't tell me she's really going to kiss!
Kero: This feeling!
Shaoran pushes Sakura away.