Source Crayola® CSS3 CSS4
#717b75
 
#757575
sonic silver
#808080
grey
#808080
grey
#434e49
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#272d2b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#bd2a48
 
#c8385a
maroon
#a52a2a
brown
#a52a2a
brown