Source Crayola® CSS3 CSS4
#797d75
 
#757575
sonic silver
#808080
grey
#808080
grey
#51514a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8fa296
 
#95918c
gray
#8fbc8f
dark sea green
#8fbc8f
darkseagreen
#603732
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen