https://www.futureelectronics.com/search/?selectedTab=products&q=tunable+LED::manufacturerName:Nichia&text=tunable+LED. Nichia shows how their Tunable White Series are innovative LEDs that enable creative design potential for tunable light fixtures. “Color Tuning” has grabbed attention as a key feature of lighting as it enables the color of light to change from cool white to warm white. https://youtu.be/DRQaDsj7ru4