Source Crayola® CSS3 CSS4
#8fa2a1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#9db8a2
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#6f7684
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#b1cad3
 
#b0b7c6
cadet blue
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#c2e9dd
 
#c5d0e6
periwinkle
#b0e0e6
powder blue
#b0e0e6
powderblue