What color is Card ?

Source Crayola® CSS3 CSS4
#dfddce
 
#dbd7d2
timberwolf
#dcdcdc
gainsboro
#dcdcdc
gainsboro
#475357
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#565e4d
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#707c7c
 
#757575
sonic silver
#808080
grey
#808080
grey
#707b56
 
#85754e
gold fusion
#696969
dim grey
#696969
dimgrey