Source Crayola® CSS3 CSS4
#c4d1da
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey
#3d3234
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9fa3aa
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#bcaca7
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#787c8b
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey