htmlの基本16色パレット
black
#000000
red
#ff0000
blue
#0000ff
green
#008000
gray
#808080
yellow
#ffff00
fuchsia
#ff00ff
teal
#008080
silver
#c0c0c0
white
#ffffff
maroon
#800000
olive
#808000
navy
#000080
purple
#800080
lime
#00ff00
aqua
#00ffff