It's just because black colour has an advanced ability to absorb heat radiations much better and faster than any other colour. Then you might ask why does then we use it at sunshine to prevent body from heat. No surprise to your question it's because at the same time black is able to liberate back the absorbed heat at a faster rate. If you doubts this then you doubt about one more thing that why does most of the umbrellas are made silverish inside it. The answer to this is that black expells heat in all directions so in order to prevent heat entering inside the umbrella it is painted silverish inside as silver acts as a mirror, so it just reflects the heat back out to the umbrella. So we finds much cool inside with a silver coated umbrella than a black one.
I live in Japan and here Umbrellas are every colour you can think of, with many different kinds of designs. On a rainy day black umbrellas would be hard to find.
The color black absorbs more light waves then lighter colors it doesnt absorb more water so umbrellas may be black. although i have seen lots that arent. the color of an umbrella is irrelevant towards stopping rainfall.
black is the color you can match with mostly other color
mostly black and white
Black is an easy color to produce cheaply. Color costs money.
Black boxes of any aeroplane are mostly Orange in color.
They can be any color. But mostly brown or black.
Mostly black, on occation pink
A darker color of gray or a color mostly black, if you do it right. It also depends on what shade of gray you are mixing with the black.
It is mostly black in color.
They can be almost any color but they are mostly brown or black