Meet the Luke Roberts ‘Model F’ Pendant Lamp: an app smart LED light with Bluetooth that can paint your place in 16m colors. It comes with an adjustable color temperature of 2.700 – 4.000K with CRI > 95. You can easily install it on the ceiling and adjust cable length from 8 to 47″.
You can control this lamp using an iOS or Android phone or tablet. The lamp learns from your preferences to select the ideal light setting. The bad news? Something like this doesn’t come cheap. More info is available here.