What color is Button ?

Source Crayola® CSS3 CSS4
#7f7b6d
 
#757575
sonic silver
#808080
grey
#808080
grey
#554726
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen
#3f352f
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8b7045
 
#85754e
gold fusion
#a0522d
sienna
#a0522d
sienna
#3f0d10
 
#000000
black
#000000
black
#000000
black