What color is Button ?

Source Crayola® CSS3 CSS4
#51453a
 
#414a4c
outer space
#556b2f
dark olive green
#556b2f
darkolivegreen
#8b8476
 
#9f8170
beaver
#808080
grey
#808080
grey
#e1cc56
 
#f8d568
orange yellow
#f4a460
sandy brown
#f4a460
sandybrown
#726659
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#31261e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey