Source Crayola® CSS3 CSS4
#33313a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b2bacb
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#8d8d97
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey