Source Crayola® CSS3 CSS4
#251e10
 
#000000
black
#000000
black
#000000
black
#b2a8a8
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#8f8584
 
#95918c
gray
#808080
grey
#808080
grey
#5b4b44
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#434641
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey