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RGBW and Color Tuning | Qualifications: cULus
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What Is Color Tuning?
White Color Tuning
White color tuning refers to the ability of a light fixture to adjust its color temperature to the color temperature preference (2700K-5500K) of the occupant anytime after the installation.
RGB+W and Full-Color Tuning
Full-color tuning refers to the same ability but additionally to produce a color output anywhere within the visible color spectrum, and is most commonly accomplished through the mixing of several base-color LEDs, most commonly RGB (Red, Green, Blue) and RGBW (Red, Green, Blue, White).