What color is Card ?

Source Crayola® CSS3 CSS4
#2c3231
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#2b1b1d
 
#000000
black
#000000
black
#000000
black
#6d7674
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#495150
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#676776
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey