Question

what is the colourful light which we see when close our eyes​

Answer 1

Answer:

What's the first thing you saw? Most people see splashes of colors and flashes of light on a not-quite-jet-black background when their eyes are closed. It's a phenomenon called phosphene, and it boils down to this: Our visual system — eyes and brains — don't shut off when denied light.

Answer 2

Answer:

It’s a phenomenon called phosphene.

Explanation:

Most people see splashes of colors and flashes of light on a not-quite-jet-black background when their eyes are closed.