Source Crayola® CSS3 CSS4
#aca496
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#817f70
 
#757575
sonic silver
#808080
grey
#808080
grey
#514e42
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#2f2c26
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey