What color is Button ?

Source Crayola® CSS3 CSS4
#4c4235
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#7a7460
 
#8a795d
shadow
#696969
dim grey
#696969
dimgrey
#9a9784
 
#95918c
gray
#808080
grey
#808080
grey
#f6e064
 
#f8d568
orange yellow
#f0e68c
khaki
#f0e68c
khaki