Source Crayola® CSS3 CSS4
#383b2d
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#555b3f
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#b6bd9e
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey