Source Crayola® CSS3 CSS4
#525a4a
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#313a2a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#838279
 
#757575
sonic silver
#808080
grey
#808080
grey
#ffffe6
 
#ffffff
white
#ffffe0
light yellow
#ffffe0
lightyellow