What color is Buttons (USA) ?

Source Crayola® CSS3 CSS4
#8b8877
 
#9f8170
beaver
#808080
grey
#808080
grey
#6e685b
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#484138
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey