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.
This implies that England is a part of Great Britain, which is also part of the United Kingdom. One thing of importance to note here is, that England, Scotland, Wales and Northern Ireland are not countries, but regions that make up the country called the United Kingdom.orthern Ireland makes up the final component of the United Kingdom. It was created in 1920, and it is not part of the Republic of Ireland. It is located on a different island from the rest of the regions of the United Kingdom, occupying the island west of Great Britain with Ireland.