Ketra fixtures deliver high-fidelity, naturalistic light that shifts in color temperature and intensity across the course of the day, mirroring the qualities of natural daylight. The technology behind Ketra supports human-centric lighting design and precise creative control for residential and commercial spaces.

The science behind human-centric lighting

Dr. Mariana Figueiro of the Lighting Research Center explores the effects of light — its presence, absence, and patterns — on human health and wellbeing.