Source Crayola® CSS3 CSS4
#cdd4c8
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#8b8f9a
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#727085
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#b19aab
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#4e4d59
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey