What color is Button ?

Source Crayola® CSS3 CSS4
#837d6d
 
#8a795d
shadow
#808080
grey
#808080
grey
#5f543f
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#a8966a
 
#9f8170
beaver
#bdb76b
dark khaki
#bdb76b
darkkhaki