chocolate-coloured vs chocolate-colored

chocolate-coloured and chocolate-colored both are adjectives.

Word	Noun	Adjective	Verb	Adverb
chocolate-coloured	No	Yes	No	No
chocolate-colored	No	Yes	No	No

As adjectives, chocolate-coloured and chocolate-colored are synonyms defined as:

chocolate-coloured and chocolate-colored: having the color of dark chocolate

chocolate-coloured (adjective)	chocolate-colored (adjective)
having the color of dark chocolate	having the color of dark chocolate