Source Crayola® CSS3 CSS4
#908e81
 
#95918c
gray
#808080
grey
#808080
grey
#54544f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b1b0a0
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey