Source Crayola® CSS3 CSS4
#2e241b
 
#000000
black
#000000
black
#000000
black
#52493f
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#817a75
 
#757575
sonic silver
#808080
grey
#808080
grey