Source Crayola® CSS3 CSS4
#9f9e96
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7d7a75
 
#757575
sonic silver
#808080
grey
#808080
grey
#3c3636
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey