What color is Button ?

Source Crayola® CSS3 CSS4
#2f2820
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#b2ae96
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey
#504839
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#8c876e
 
#9f8170
beaver
#808080
grey
#808080
grey
#51321b
 
#714b23
raw umber
#556b2f
dark olive green
#556b2f
darkolivegreen