Source Crayola® CSS3 CSS4
#999989
 
#95918c
gray
#808080
grey
#808080
grey
#737565
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#55574b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen