Source Crayola® CSS3 CSS4
#434a47
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#82837c
 
#757575
sonic silver
#808080
grey
#808080
grey
#252a2a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey