Source Crayola® CSS3 CSS4
#807e6e
 
#757575
sonic silver
#808080
grey
#808080
grey
#84a1ad
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#aaac9e
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#59554b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#a9bfc0
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver