pitchy vs coal-black

pitchy and coal-black both are adjectives.

Word	Noun	Adjective	Verb	Adverb
pitchy	No	Yes	No	No
coal-black	No	Yes	No	No

As adjectives, pitchy and coal-black are synonyms defined as:

pitchy and coal-black: of the blackest black; similar to the color of jet or coal

Other synonyms of pitchy include jet-black, jet, sooty.

pitchy (adjective)	coal-black (adjective)
of the blackest black; similar to the color of jet or coal	of the blackest black; similar to the color of jet or coal
having the characteristics of pitch or tar