I don't really know, but from having had to catalogue many, many seashell collections I would say "light brown" is the most common seashell color, closely followed by off-white. Shades of blue would be the most rare, from my experience.
By doing the researching of colors, i think the most uncommon color is Razzmataz
Since most people do not choose their surnames, they cannot be popular or unpopular. They can be common or uncommon. The surname Curry is not uncommon, but it is not as common as Smith or Jones.
The most common natural hair colors are black, brown, blonde, and red.
While red and green are the most common traditional Christmas colors, there are other colors associated with Christmas as well. The metallic colors of silver and gold are both common for Christmas. There is even a Christmas carol about the colors.
The most common natural human hair colors are black, brown, blonde, and red.
The colors Birds are covers most colors in the spectrum. Common Bird colors are Brown Grey and Black.
The typical colors of a Yorkshire Terrier are black and tan. While black and gold are also common colors for this breed, black and tan is the most common color combination.
Black and Red are two most common colors.
As of 2011, the most common colors for bridesmaid dresses have been blue, black, and green. The least common color seems to have been red. I was unable to find the most or least common style.
rainbow color
The most common naturally occurring hair colors in humans are black, brown, blonde, and red.
Natural breeding is the most common, but artificial insemination is not uncommon either.