Source Crayola® CSS3 CSS4
#4c4852
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#837b89
 
#757575
sonic silver
#808080
grey
#808080
grey
#a49cab
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#2a282e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey