Source Crayola® CSS3 CSS4
#565349
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#827e77
 
#757575
sonic silver
#808080
grey
#808080
grey
#302e27
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey