What color is Card ?

Source Crayola® CSS3 CSS4
#232927
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#414a46
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#636a66
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey