Is color and Colour the same thing?
These variations in spelling exist because of differences between American English and British English. Color is the spelling used in the United States. Colour is used in other English-speaking countries. The word color has its roots (unsurprisingly) in the Latin word color.
What’s the difference between color?
Color and colour are alternate spellings of the same word. The former is the preferred spelling for American English, while the latter is the preferred spelling for British English. They are used in all the same contexts but by different language communities.
Do Australians say color or Colour?
The spelling of the word colour in Australia contains the letter 'u'. The spelling without the letter 'u' is the American spelling. However, sometimes for some people this isn't clear.
How does Canada spell color?
Canada has two official languages, French and English. Their English is called Canadian English, and is a combination of both British and American English. To answer your question on the whole they would spell it the British way – 'colour', although the American way – 'color', is not entirely uncommon.