What color is Card ?

Source Crayola® CSS3 CSS4
#262e2c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7d8781
 
#757575
sonic silver
#808080
grey
#808080
grey
#636e68
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#45504b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#87555e
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey