Definition & Meaning of "high-key lighting"

What is "high-key lighting"?

High-key lighting is a style of lighting used in film, photography, and television that involves using bright, even illumination to reduce shadows and create a light, upbeat atmosphere. This technique typically uses multiple light sources to fill in shadows, resulting in a scene that is well-lit with minimal contrast between light and dark areas. High-key lighting is often used in comedies, sitcoms, and commercials, as it conveys a cheerful, vibrant, and clean look. It helps create a sense of openness and clarity, making the scene feel inviting and positive.