Source Crayola® CSS3 CSS4
#d7dbea
 
#c5d0e6
periwinkle
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#9ea0ab
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#2c282a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey