Reading Time: 4 minutesWhat is Color Rendering Index (CRI)? Definition & Meaning Color Rendering Index (CRI) is a 0–100 score that measures how accurately a light source shows color compared to a natural reference at the same color temperature. In film, CRI helps you judge how true skin tones, costumes, props, and set colors will look on camera.… Continue reading What is Color Rendering Index (CRI)? Film Lighting Definition & Guide