Question

why clouds are black ? water is colourless

Answer 1

Hey mate here is your answer》》

However, rain clouds are gray instead of white because of their thickness, or height. That is, a cloud gets thicker and denser as it gathers more water droplets and ice crystals — the thicker it gets, the more light it scatters, resulting in less light penetrating all the way through it.

Hope this answer will help you..《《