Source Crayola® CSS3 CSS4
#272532
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#928e81
 
#95918c
gray
#808080
grey
#808080
grey
#4d4f6b
 
#4a646c
deep space sparkle
#483d8b
dark slate blue
#483d8b
darkslateblue
#737787
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey