Source Crayola® CSS3 CSS4
#2f2728
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#554d4b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#807874
 
#757575
sonic silver
#808080
grey
#808080
grey