dark-coloured vs dusky-colored

dark-coloured and dusky-colored both are adjectives.

Word	Noun	Adjective	Verb	Adverb
dark-coloured	No	Yes	No	No
dusky-colored	No	Yes	No	No

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

Other synonyms of dark-coloured include dark-colored, dusky-coloured.

dark-coloured (adjective)	dusky-colored (adjective)
having a dark color	having a dark color