Understanding the variations in color-tunable products can be challenging. PNNL makes it easier by discussing each product type in terms of its most common applications, control options, and potential issues or complications.
And then check out some great Tunable White products:
> Whisper Tunable White LED Architectural Troffer - from Mark Architectural Lighting
> Bruno LED Tunable White Suspended Linear - from Peerless Lighting
> BLT Series Tunable White - from Lithonia Lighting