Source Crayola® CSS3 CSS4
#29303c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#c4ccd8
 
#c5d0e6
periwinkle
#d3d3d3
light gray
#d3d3d3
lightgrey
#79828e
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#96a0ab
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#5b5f6a
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey