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.
A second coat of arms is used in Scotland. The United Kingdom of Great Britain and Northern Ireland, called the United Kingdom, GB or UK, is a sovereign state in Northern Europe. It unites England, Wales, Scotland and Northern Ireland as one Kingdom. It is a member of the United Nations, the Commonwealth, NATO and the G8. It has the sixth largest economy in the world. Around 65 million people live in the UK.