Why can humans see colours when a large source of light is present, but when there’s very little light we can only see black and white?

Question

Why can humans see colours when a large source of light is present, but when there’s very little light we can only see black and white?

In: Biology

Answer 1

All colors are is reflection of certain wavelengths of light. Something red will reflect red light more than other wavelengths. So with less light, there’s less color because of this.