What color is Button ?

Source Crayola® CSS3 CSS4
#c7bfa9
 
#cdc5c2
silver
#c0c0c0
silver
#c0c0c0
silver
#7a7469
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#4d4337
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey