Source Crayola® CSS3 CSS4
#564d40
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#7e7769
 
#757575
sonic silver
#808080
grey
#808080
grey
#94938c
 
#95918c
gray
#808080
grey
#808080
grey