What color is Button ?

Source Crayola® CSS3 CSS4
#4a443b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7d786d
 
#757575
sonic silver
#808080
grey
#808080
grey
#d3cec2
 
#cdc5c2
silver
#d3d3d3
light gray
#d3d3d3
lightgrey
#271d16
 
#000000
black
#000000
black
#000000
black