What color is Button ?

Source Crayola® CSS3 CSS4
#5f584f
 
#6e5160
eggplant
#696969
dim grey
#696969
dimgrey
#928d7f
 
#95918c
gray
#808080
grey
#808080
grey
#352c24
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#8290aa
 
#979aaa
manatee
#778899
light slate grey
#778899
lightslategrey