Source Crayola® CSS3 CSS4
#6a6d5f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#87897a
 
#95918c
gray
#808080
grey
#808080
grey
#75909b
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#514f43
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen