Source Crayola® CSS3 CSS4
#61554a
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen
#87837c
 
#757575
sonic silver
#808080
grey
#808080
grey
#3f3c38
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey