Source Crayola® CSS3 CSS4
#a6a399
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#8a8373
 
#9f8170
beaver
#808080
grey
#808080
grey
#5a5445
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#382f24
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey