What color is Button (USA) ?

Source Crayola® CSS3 CSS4
#c0bdaf
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#312c26
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8d8571
 
#9f8170
beaver
#808080
grey
#808080
grey
#775d32
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#544b40
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen