What color is Playing Card ?

Source Crayola® CSS3 CSS4
#56554b
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#787568
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#723e44
 
#6e5160
eggplant
#a0522d
sienna
#a0522d
sienna