What color is Card ?

Source Crayola® CSS3 CSS4
#3c3f3a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6a7365
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#a4a960
 
#bab86c
olive green
#bdb76b
dark khaki
#bdb76b
darkkhaki
#9b9b7d
 
#95918c
gray
#808080
grey
#808080
grey
#52403a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey