Source Crayola® CSS3 CSS4
#554c41
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#775c50
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#9aa7a1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey