Source Crayola® CSS3 CSS4
#91a9af
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#828b92
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#657382
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#a79f9d
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey