Source Crayola® CSS3 CSS4
#c2dee7
 
#c5d0e6
periwinkle
#b0e0e6
powder blue
#b0e0e6
powderblue
#708a99
 
#95918c
gray
#778899
light slate grey
#778899
lightslategrey
#3e5564
 
#4a646c
deep space sparkle
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#92b0c0
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey