Key Difference: Color and Colour define the same thing. There is no difference between the two. Colour is used in British English, whereas color is used in American English. They refer to the appearance of the things that resulted from the way in which they reflect light. Some of the colours/colors include red, orange, blue, pink, and white.

Color and colour are actually different spellings for the same word. Thus, there is no difference between the two. The only difference that exists between the two is due to different spelling conventions used in British English and American English. Colour is used in British English and color is used in American English. Thus, both are correct and one can be used in the place of another, without any effect or change in the meaning of colour/color.

Color or colour is associated with the appearance of the things that is resulted from the way in which they reflect light. Some of the colours/colors include red, orange, blue, pink and white.

The word 'color' has been originated from the Latin non-agent noun that bears the nominative –or. The word is supposedly borrowed into English from the Old French. The ending was generally expressed as –or or –ur. Later, with the conquest of England by the Norman in the year 1066, the ending with –our gained popularity. It is important to mention that the source of most of the current British spellings is the Samuel Johnson’s Dictionary of the English Language (1755), whereas most of the American English spellings are based on the Noah Webster's An American Dictionary of the English Language (1828).

Comparison between Color and Colour:

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