Source Crayola® CSS3 CSS4
#584c48
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#7c736c
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#9c8c80
 
#95918c
gray
#808080
grey
#808080
grey
#b7b4a3
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey