What color is Button ?

Source Crayola® CSS3 CSS4
#4f493e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#23160d
 
#000000
black
#000000
black
#000000
black
#716c5f
 
#757575
sonic silver
#696969
dim grey
#696969
dimgrey
#8a8778
 
#9f8170
beaver
#808080
grey
#808080
grey