Source Crayola® CSS3 CSS4
#2e322e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6d8994
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#b0c7bb
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#4c5b5b
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#809489
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey