What color is Button ?

Source Crayola® CSS3 CSS4
#76927a
 
#757575
sonic silver
#808080
grey
#808080
grey
#a0b39f
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#5b6c59
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey