What color is Button ?

Source Crayola® CSS3 CSS4
#4f7862
 
#4a646c
deep space sparkle
#696969
dim grey
#696969
dimgrey
#80987d
 
#87a96b
asparagus
#808080
grey
#808080
grey
#274f3e
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey