Source Crayola® CSS3 CSS4
#d4cfc4
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#8f8584
 
#95918c
gray
#808080
grey
#808080
grey
#617085
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#6f8894
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#4b4e59
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey