A "Colour Revolution" is when a large group of people in a country get together to protest against their government. They wear the same colour to show they are united. The colour could be anything, but it's usually something bright and eye-catching.
Sometimes, these protests are peaceful and are just a way for people to express their dissatisfaction with the government. Other times, they can turn violent because the government doesn't like people protesting against them.
Examples of colour revolutions include the "Orange Revolution" in Ukraine in 2004, the "Rose Revolution" in Georgia in 2003, and the "Tulip Revolution" in Kyrgyzstan in 2005.
Overall, a colour revolution is a movement where people use a particular colour to show solidarity against their government's policies. It's a peaceful way for people to make their voices heard and demand change for their country.