Color and Colour Split Because of One Dictionary

Color is the American spelling of colour. The difference dates from Noah Webster, who deliberately simplified a set of British spellings.

Color is the property of an object determined by the light it reflects, spelled the American way. The split is the work of one man: Noah Webster's 1828 dictionary deliberately dropped the u from a whole family of words โ€” *color*, *honor*, *labor*, *favor* โ€” arguing that the British spellings preserved a French detour the Latin originals never had. He was right about the Latin, and the reform took hold in America only. Both spellings are correct; consistency within a document is what matters.

Word forms

FormWordExample
Noun (US)colorA warm color.
Noun (UK)colourA warm colour.
VerbcolorColor it in.
AdjectivecolourfulColourful language.
LatincolorColour, hue.

The Webster spellings

Old French *colour*, from Latin *color*. American English restored the Latin form after Noah Webster's dictionary of 1828.

Which spelling is correct?

Both. Color is standard in the United States, colour in Britain and most of the Commonwealth.

Why did American spelling change?

Noah Webster deliberately simplified a group of spellings in his 1828 dictionary, and his versions became American standard.

Sources

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