What color is Button ?

Source Crayola® CSS3 CSS4
#817d6f
 
#757575
sonic silver
#808080
grey
#808080
grey
#3e372e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#472f12
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#3e3758
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#715729
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen