What color is Button ?

Source Crayola® CSS3 CSS4
#7f7d6e
 
#757575
sonic silver
#808080
grey
#808080
grey
#555149
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#c8b867
 
#bab86c
olive green
#bdb76b
dark khaki
#bdb76b
darkkhaki