What color is Playing Card ?

Source Crayola® CSS3 CSS4
#2c3a38
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#677171
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#665e60
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#444041
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey