Source Crayola® CSS3 CSS4
#a8aab2
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#73737e
 
#757575
sonic silver
#808080
grey
#808080
grey
#958d9a
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#263140
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#4e5161
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey