Source Crayola® CSS3 CSS4
#d5d1c0
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#a7a090
 
#95918c
gray
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7e7769
 
#757575
sonic silver
#808080
grey
#808080
grey
#57544b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen