What color is Button ?

Source Crayola® CSS3 CSS4
#583b3c
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#2a1012
 
#000000
black
#000000
black
#000000
black
#918581
 
#95918c
gray
#808080
grey
#808080
grey