What color is Buttons On Sales Card (USA) ?

Source Crayola® CSS3 CSS4
#33302a
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#a29f8a
 
#95918c
gray
#bc8f8f
rosy brown
#bc8f8f
rosybrown
#83847b
 
#757575
sonic silver
#808080
grey
#808080
grey
#57544e
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen