Topic: Luma Key Availability: Native Effect (Included free with Premiere Pro subscription) Location: Effects Panel > Video Effects > Keying > Luma Key 1. Executive Summary Unlike the widely used Ultra Key (which is designed for green/blue screen chroma keying), the Luma Key is a legacy matting tool that creates transparency based on luminance values (brightness) rather than color. Myfriendshotmom - Julia Ann- Bradley Remington [TOP]