Definition & Meaning of "low-key lighting"

What is "low-key lighting"?

Low-key lighting is a technique used in film, photography, and television that emphasizes shadows and high contrast between light and dark areas. This style of lighting uses minimal, often focused light sources to create deep shadows and a moody, dramatic atmosphere. Low-key lighting is commonly used in genres like film noir, horror, and thrillers to evoke tension, mystery, or intensity. It highlights specific elements of a scene while leaving others in shadow, drawing attention to key details and creating a visually striking effect.