Indeed, the inconsistencies with light temperatures have been a problem for me for many years before we had the current technology, but this is new territory for lighting designers and we better get ahead of it before it becomes even more of a cluster F. I have been through this already in TV technology monitoring and color space and this to me looks just like the early days of digital TV. At least now the manufacturers are using actual color temperatures of the white diode. Now only if we could buy more nice controllers like the Fibaro to control a decent RGBW device. Since the Fibaro RGBW controller IS a true four channel device, we could start by writing a specific control command that works with Fibaro through ZW or ZB.
However I do understand that XY based devices wont work with a true 4 channel color space interface, but a secondary dumb down code interpretation could be implemented when connected to old Hue/ XY space. It just seems we need to begin programming in 3-4 channel sooner rather than later when it’s all a really sloppy mess.
Seems like RGB channels could be used for all but color accurate spaces where D6500 is required and then the W diode would be spec’d for the installation. In my space all TV backlights are pure white and no other colors are needed there. BUT in other spaces an RGB blend can work well. Any lighting designer can sit and build presets if given tru RGB 3 channel values, but try doing it using several different controllers or generic bulbs or strips using a color wheel and you will feel my pain.
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