What color is Playing Card ?

Source Crayola® CSS3 CSS4
#6f7c7b
 
#757575
sonic silver
#808080
grey
#808080
grey
#293a38
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#525f5f
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#6f5a60
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#847b7d
 
#757575
sonic silver
#808080
grey
#808080
grey