Crazy cloud color

[Michaelaw]

While I was on the beach today I saw this cloud and wondered why or how it got these colors?

http://www.redzonefilms.com/pics2/cloud color.jpg

[Mad Aussie]

Filters?

[Greg_Nuspel]

It's diffraction of the sunlight, the water droplets working like prisms. The same way rainbows are made.

[Fortytwo]

Anyways, looks great. ;)