Source Crayola® CSS3 CSS4
#8eb3c5
 
#a2add0
wild blue yonder
#a9a9a9
dark gray
#a9a9a9
darkgrey
#283244
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#67929b
 
#6dae81
forest green
#5f9ea0
cadet blue
#5f9ea0
cadetblue
#7a818b
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#4f566e
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey