class Rouge::Lexers::CSS

def self.constants
  @constants ||= Set.new %w(
    indigo gold firebrick indianred yellow darkolivegreen
    darkseagreen mediumvioletred mediumorchid chartreuse
    mediumslateblue black springgreen crimson lightsalmon brown
    turquoise olivedrab cyan silver skyblue gray darkturquoise
    goldenrod darkgreen darkviolet darkgray lightpink teal
    darkmagenta lightgoldenrodyellow lavender yellowgreen thistle
    violet navy orchid blue ghostwhite honeydew cornflowerblue
    darkblue darkkhaki mediumpurple cornsilk red bisque slategray
    darkcyan khaki wheat deepskyblue darkred steelblue aliceblue
    gainsboro mediumturquoise floralwhite coral purple lightgrey
    lightcyan darksalmon beige azure lightsteelblue oldlace
    greenyellow royalblue lightseagreen mistyrose sienna lightcoral
    orangered navajowhite lime palegreen burlywood seashell
    mediumspringgreen fuchsia papayawhip blanchedalmond peru
    aquamarine white darkslategray ivory dodgerblue lemonchiffon
    chocolate orange forestgreen slateblue olive mintcream
    antiquewhite darkorange cadetblue moccasin limegreen saddlebrown
    darkslateblue lightskyblue deeppink plum aqua darkgoldenrod
    maroon sandybrown magenta tan rosybrown pink lightblue
    palevioletred mediumseagreen dimgray powderblue seagreen snow
    mediumblue midnightblue paleturquoise palegoldenrod whitesmoke
    darkorchid salmon lightslategray lawngreen lightgreen tomato
    hotpink lightyellow lavenderblush linen mediumaquamarine green
    blueviolet peachpuff
  )
end