What color is Card ?

Source Crayola® CSS3 CSS4
#4e606d
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#aac0c8
 
#b0b7c6
cadet blue
#b0c4de
light steel blue
#b0c4de
lightsteelblue
#7ca0b4
 
#979aaa
manatee
#5f9ea0
cadet blue
#5f9ea0
cadetblue
#608095
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#293032
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey