Source Crayola® CSS3 CSS4
#7f736c
 
#757575
sonic silver
#808080
grey
#808080
grey
#9b9089
 
#95918c
gray
#808080
grey
#808080
grey
#4d4e47
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey