The official marketing images from Sony show the DualSense controller with a blue LED, but the controller is capable of showing different colours similar to the DualShock 4’s lightbar. Images from Japanese website 4Gamer shows some of the colours the controller supports.
The DualSense controller also shows player indicators if more than one controller is connected, similar to the LEDs on the DualShock 3 (PS3). LEDs below the touchpad will show one to four LEDs depending on which player you are:
The DualSense controller doesn’t have a lightbar like the PS4’s DualShock 4 controller, but still supports different colour options. The Mute button below the PS button will also light-up red when the microphone has been muted.