Source Crayola® CSS3 CSS4
#b1ada1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#817a66
 
#8a795d
shadow
#808080
grey
#808080
grey
#42392b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey