Source Crayola® CSS3 CSS4
#2f251e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#343f40
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#51413d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7c8286
 
#757575
sonic silver
#808080
grey
#808080
grey