Source Crayola® CSS3 CSS4
#3b2b15
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7a766b
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#5a4c2f
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen