Source Crayola® CSS3 CSS4
#262d36
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#9ea7b1
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#454d56
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#c9d3dd
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey
#757d86
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey