black as the ace of spades vs ebony

black as the ace of spades

• Utterly black; pitch-black. 

ebony

• Dark-skinned; black; especially in reference to African-Americans. 

• Made of ebony wood. 

• A deep, dark black colour. 

• A black key on a piano or other keyboard instrument. 

• A tree that yields such wood. 

• A deep, dark black colour. 

• A hard, dense, deep black wood from various subtropical and tropical trees, especially of the genus Diospyros.