Source Crayola® CSS3 CSS4
#7d7b8a
 
#757575
sonic silver
#808080
grey
#808080
grey
#52505a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#302e34
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey