Here is a link that should explain exactly what the colors of the Sweden flag represent.
The colors on the Peru' flag represent the animals that fought for their people.
The colors on a flag represent different things depending on what country the flag belongs too. Do you have a specific flag that you are asking about?
the colors of the india flag
Brazils flag colors represent the green and gold Brazilian Beetle.
Every country has at least one of these colors on their flag
the flag colors were taken from Spain and France
The colors on a flag represent what kinds of food a country produces.
Togo flag colour