What color is Button ?

Source Crayola® CSS3 CSS4
#5f5344
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen
#847868
 
#8a795d
shadow
#808080
grey
#808080
grey
#352c22
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey