code: function() {
      var captures;
      if (captures = /^#([a-fA-F0-9]{1})[ \t]*/.exec(this.str)) {
        this.skip(captures);
        var n = parseInt(captures[1] + captures[1], 16)
          , color = new nodes.RGBA(n, n, n, 1);
        color.raw = captures[0];
        return new Token('color', color);
      }
    }
docs: #n