Source Crayola® CSS3 CSS4
#8d9894
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#abbdbd
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#687f7e
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey