What color is Card ?

Source Crayola® CSS3 CSS4
#3e4f45
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#6c6f5b
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#89c0d5
 
#9aceeb
cornflower
#87ceeb
sky blue
#87ceeb
skyblue
#e8e88e
 
#f0e891
green yellow
#f0e68c
khaki
#f0e68c
khaki
#d5d6ba
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey