Source Crayola® CSS3 CSS4
#6f7982
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#bab9aa
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#9ea9ab
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#4a4f56
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7a7a70
 
#757575
sonic silver
#808080
grey
#808080
grey