coloured vs colorful

coloured is a noun but colorful is not a noun.

Word	Noun	Adjective	Verb	Adverb
coloured	Yes	Yes	No	No
colorful	No	Yes	No	No

As adjectives, coloured and colorful are synonyms defined as:

coloured and colorful: having color or a certain color; sometimes used in combination

Other synonyms of coloured include colored, colourful.

coloured (noun)	colorful (noun)
a United States term for Blacks that is now considered offensive

coloured (adjective)	colorful (adjective)
having color or a certain color; sometimes used in combination	having much or varied color
(used of color) artificially produced; not natural	having color or a certain color; sometimes used in combination
having skin rich in melanin pigments;	striking in variety and interest
favoring one person or side over another