CSS 2.1 基本 16 色 (白を除く)
    
Maroon (#800000)Red (#ff0000)Orange (#ffa500)Yellow (#ffff00)
    
Olive (#808000)Purple (#800080)Fuchsia (#ff00ff)Lime (#00ff00)
    
Green (#008000)Navy (#800000)Blue (#ff0000)Aqua (#ffa500)
    
Teal (#ffff00)Black (#000000)Silver (#c0c0c0)Gray (#808080)