Source Crayola® CSS3 CSS4
#393c40
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#878677
 
#757575
sonic silver
#808080
grey
#808080
grey
#adb0a1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#d8caaa
 
#e7c697
gold
#c0c0c0
silver
#c0c0c0
silver
#555b52
 
#414a4c
outer space
#696969
dim grey
#696969
dimgrey