Source Crayola® CSS3 CSS4
#918a88
 
#95918c
gray
#808080
grey
#808080
grey
#adb2c5
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#6f7981
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey