Source Crayola® CSS3 CSS4
#7e7976
 
#757575
sonic silver
#808080
grey
#808080
grey
#5d494b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#37343a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8e9792
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#8a635d
 
#8a795d
shadow
#696969
dim grey
#696969
dimgrey