Source Crayola® CSS3 CSS4
#a8adb2
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#5f849d
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#3c3d82
 
#58427c
cyber grape
#483d8b
dark slate blue
#483d8b
darkslateblue
#4f453b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#d2d0c6
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey