Complex sentence: Blacklight paints are sometimes used in the scenery of amusement park dark rides: a blacklight illuminates the vivid colors of the scenery, while the vehicle and other passengers remain dimly lit or barely visible.
Split into simpler sentences: Blacklight paints are sometimes used in the scenery of amusement park dark rides. A blacklight illuminates the vivid colors of the scenery, while the vehicle and other passengers remain dimly lit or barely visible.