What color is Button ?

Source Crayola® CSS3 CSS4
#31291b
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#bab79e
 
#b0b7c6
cadet blue
#a9a9a9
dark gray
#a9a9a9
darkgrey
#938e79
 
#95918c
gray
#808080
grey
#808080
grey
#605a44
 
#6e5160
eggplant
#556b2f
dark olive green
#556b2f
darkolivegreen
#86733d
 
#85754e
gold fusion
#a0522d
sienna
#a0522d
sienna