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.
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 colors Birds are covers most colors in the spectrum. Common Bird colors are Brown Grey and Black.
Some of the most uncommon languages spoken in the world include languages like Ainu, spoken by the indigenous Ainu people of Japan; Njerep, spoken by a small community in Cameroon; and Liki, spoken by a small group in Indonesia. These languages have very few speakers and are at risk of extinction.
In various cultures, blue and purple are often associated with wisdom. Blue symbolizes trust, truth, and intelligence, while purple represents creativity, spirituality, and wisdom gained through experience.
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 eye color black, brown, hazel, grey, and blue.
BLack blonde and brunette :/
Brown, Blue, and Green