Source Crayola® CSS3 CSS4
#bdd3ce
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#b8aea3
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#544e4e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey