What color is Playing Card ?

Source Crayola® CSS3 CSS4
#544a45
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#867d78
 
#757575
sonic silver
#808080
grey
#808080
grey
#9a5147
 
#a5694f
sepia
#a0522d
sienna
#a0522d
sienna