Source Crayola® CSS3 CSS4
#544d42
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#726c63
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#c2bdb3
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#8e887d
 
#95918c
gray
#808080
grey
#808080
grey