Source Crayola® CSS3 CSS4
#3e3b35
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#999a8b
 
#95918c
gray
#8fbc8f
dark sea green
#8fbc8f
darkseagreen
#7c7d72
 
#757575
sonic silver
#808080
grey
#808080
grey