What color is Mother-of-pearl and Steel Knife Handle with Threaded Hole Knife Handle, early 17th century ?

Source Crayola® CSS3 CSS4
#695a4f
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#837c76
 
#757575
sonic silver
#808080
grey
#808080
grey
#413532
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey