What color is Buttons (USA) ?

Source Crayola® CSS3 CSS4
#322d27
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#80786b
 
#757575
sonic silver
#808080
grey
#808080
grey
#665e54
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey