What is a defining feature of the visual style in Film Noir?

The defining feature of the visual style in Film Noir is characterized by dark urban settings, often enhanced by the use of shadows and reflections. This visual aesthetic reflects the themes of moral ambiguity and existential dread prevalent in Film Noir. The interplay of light and shadow creates a sense of tension and foreboding, effectively establishing the mood of gloom and uncertainty that is characteristic of the genre. The architectural elements of the city, such as alleys, rooftops, and dimly lit streets, contribute to the feeling of entrapment and despair commonly found in Film Noir narratives.

In contrast, the other options describe styles or elements that do not align with the essence of Film Noir. Bright colors and natural lighting, for instance, are more representative of optimistic genres and do not convey the dark psychological themes the genre is known for. Similarly, Film Noir typically does not focus on sweeping outdoor scenes or vast landscapes, which are hallmarks of different cinematic styles. Excessive use of CGI and special effects is also not a feature of Film Noir, as the genre often utilizes practical effects and relies heavily on atmospheric and stark cinematography rather than technological advancements.