What color is Playing Card ?

Source Crayola® CSS3 CSS4
#dddaca
 
#dbd7d2
timberwolf
#d3d3d3
light gray
#d3d3d3
lightgrey
#212a2a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#52594e
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#697e7d
 
#757575
sonic silver
#708090
slate gray
#708090
slategrey
#84a9b3
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey