Source Crayola® CSS3 CSS4
#324256
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#617088
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#82868d
 
#95918c
gray
#808080
grey
#808080
grey
#1b202f
 
#000000
black
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey