Source Crayola® CSS3 CSS4
#a0b6c7
 
#a2add0
wild blue yonder
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#7d99be
 
#6699cc
blue gray
#778899
light slate grey
#778899
lightslategrey
#2b2b28
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#54555a
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#544e3d
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen