Source Crayola® CSS3 CSS4
#6a7581
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#3e4745
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8198a8
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#757c9d
 
#926eae
violet (purple)
#778899
light slate grey
#778899
lightslategrey
#417b83
 
#319177
illuminating emerald
#708090
slate gray
#708090
slategrey