BLUE
A white light
A white light.
Trick question, pixels do not emit light!
Most people use light colors, generally white, since boats are always outside and exposed to sunlight and white absorbs the least light / heat. The darker the color, the more light / heat get absorbed.
White
White
White
When operating a powerboat at night, the port side(left side) should display a red light. The starboard side(right side) should display a green light.
White
White
White
You should display an all around white light.