What color is Playing Card ?

Source Crayola® CSS3 CSS4
#365e51
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7c7672
 
#757575
sonic silver
#808080
grey
#808080
grey
#5b605a
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#3c403c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#5c7a6b
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey