### Instruction: What two colors are used in the Canadian flag?
### Input: The National Flag of Canada (French: le Drapeau national du Canada), often simply referred to as the Canadian flag or, unofficially, as the maple leaf flag or l'Unifolié (French: [l‿ynifɔlje]; lit. 'the one-leafed'), consists of a red field with a white square at its centre in the ratio of 1∶2∶1, in which is featured a stylized, red, 11-pointed maple leaf charged in the centre. It is the first flag to have been adopted by both houses of Parliament and officially proclaimed by the Canadian monarch as the country's official national flag. The flag has become the predominant and most recognizable national symbol of Canada.
### Response: The Canadian flag colors are red and white.