Source Crayola® CSS3 CSS4
#bcc3c9
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#879098
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#7c757b
 
#757575
sonic silver
#808080
grey
#808080
grey