Source Crayola® CSS3 CSS4
#a8adb5
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#4b4843
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7a8489
 
#757575
sonic silver
#808080
grey
#808080
grey
#5b6262
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#2f2924
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey