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.
Great Britain, also known as Britain /ËbrÉª.tÉn/ , is an island in the North Atlantic off the north-west coast of continental Europe. With an area of 209,331 km 2 (80,823 sq mi), it is the largest island in Europe and the ninth-largest in the world. single Kingdom of Great Britain resulted from the Union of Scotland and England (which already comprised the present-day countries of England and Wales) in 1707.