Blue is the colour between violet and green on the optical spectrum of visible light. Human eyes perceive blue when observing light with a wavelength between 450 and 495 nanometres.
The United Kingdom is a Sovereign island country. It consists of 4 constituent countries, England, Northern Ireland, Scotland and Wales. Great Britain is the name of the island which consists of England, Scotland and Wales.The full name is the United Kingdom of Great Britain and Northern Ireland. The UK is part of the continent of Europe.he United Kingdom is a Sovereign island country. It consists of 4 constituent countries, England, Northern Ireland, Scotland and Wales. Great Britain is the name of the island which consists of England, Scotland and Wales.
One of the four nations in the United Kingdom, England is bordered by Scotland to the North and Wales to the west, the Irish Sea to the northwest, and the Celtic Sea to the southwest, the North Sea to the East, and the English Channel to the south.Just across the English Channel is France.he country covers an area of 130,395 square kilometers (50,346 square miles). London is the capital of England. Located along the Thames River, London is a leading global city and is the largest financial center of the world, with the largest GDP of Europe.