Source Crayola® CSS3 CSS4
#2f1f13
 
#000000
black
#000000
black
#000000
black
#807972
 
#757575
sonic silver
#808080
grey
#808080
grey
#5d5146
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen