Source Crayola® CSS3 CSS4
#222f30
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b9b9a6
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#42514c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey