What color is Playing Card ?

Source Crayola® CSS3 CSS4
#51718c
 
#4a646c
deep space sparkle
#708090
slate gray
#708090
slategrey
#6a716d
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#665e51
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#8e8a81
 
#95918c
gray
#808080
grey
#808080
grey
#4a504e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey