Source Crayola® CSS3 CSS4
#6c7b7f
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#b1ae9c
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#4a5359
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#bcc1ca
 
#b0b7c6
cadet blue
#c0c0c0
silver
#c0c0c0
silver
#919da5
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey