What color is Button ?

Source Crayola® CSS3 CSS4
#453b31
 
#414a4c
outer space
#2f4f4f
dark slate gray
#2f4f4f
darkslategrey
#776e60
 
#8a795d
shadow
#696969
dim grey
#696969
dimgrey
#f6e785
 
#fce883
yellow
#f0e68c
khaki
#f0e68c
khaki
#afa99d
 
#979aaa
manatee
#a9a9a9
dark gray
#a9a9a9
darkgrey