What color is Playing Card ?

Source Crayola® CSS3 CSS4
#777f7f
 
#757575
sonic silver
#808080
grey
#808080
grey
#2d3b39
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#746b6e
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#556363
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#4d4749
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey