What color is Card ?

Source Crayola® CSS3 CSS4
#4a524e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6a756e
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#ba1d3d
 
#9c2542
big dip o' ruby
#b22222
fire brick
#b22222
firebrick
#766a6e
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#8e3d4e
 
#9c2542
big dip o' ruby
#a0522d
sienna
#a0522d
sienna