What color is Button ?

Source Crayola® CSS3 CSS4
#a8a697
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#7f7c6c
 
#757575
sonic silver
#808080
grey
#808080
grey
#534c3e
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#34281e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#d1bd52
 
#bab86c
olive green
#bdb76b
dark khaki
#bdb76b
darkkhaki