Not RGBW

SUMMARYDiagonal Class 75 inches
Diagonal Size 74.5 inches
Resolution 3840 x 2160
Display Type Super UHD TVs
Display Format 4K UHD 2160p
HDMI Port(s) 4 (HDCP 2.2)
Other Input(s) 3 USB, 1 RF In (Antenna/Cable), 1 Composite In, 1 Ethernet, 1 Optical, 1 RS232C (Mini Jack)
Smart TV Operating System webOS 3.5
Speaker System 4.2 Channel
Other Features Active HDR with Dolby Vision™, IPS Technology, Wider Color Gamut, Billion Rich Colors, Ultra Luminance, Sound Designed by Harman Kardon™