Source Crayola® CSS3 CSS4
#c2c9d6
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey
#2b3641
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#87909e
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey
#586370
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey