We live in a colourful world. In different countries, colours have different meanings. They are used to represent different holidays.
In ancient Rome, a red flag was a sign for battle(战斗). in India, red is the colour of soldiers. In South Africa, red is the colour of mourning(服丧). In China, red is the colour of good luck and it is often used at wedding. In ancient Greece, green represented victory. In England, people wear green as a mark of honour. Green is the national colour of Ireland. In India, yellow is for a businessman or a farmer. In China and Japan, people wear white when very sad things happen. When their relatives are dead, they usually wear white. The ancient Greeks wore white to bed to have pleasant dreams. In ancient Rome, public servants wore blue. Today the police still wear blue.
Colours can also represent different people. For example, you will be a leader or an active person who enjoys life if you like yellow, orange or red.