What color is Card ?

Source Crayola® CSS3 CSS4
#303835
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#767d78
 
#757575
sonic silver
#808080
grey
#808080
grey
#555d57
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#bd2746
 
#c8385a
maroon
#a52a2a
brown
#a52a2a
brown