Source Crayola® CSS3 CSS4
#c0b7a2
 
#cdc5c2
silver
#a9a9a9
dark gray
#a9a9a9
darkgrey
#726f60
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#9b9383
 
#95918c
gray
#808080
grey
#808080
grey
#534c40
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen