code: function ( color ) {
              var rgba = {};
              color.replace( this.REG_RGB, function ( str, r, g, b, a ) {
                  rgba = {r: Number(r), g: Number(g), b: Number(b), a: 1};
                  if ( a ) rgba.a = Number(a);
              });
              return rgba;
          }
docs: rgba(255, 0, 255, 0.5) -> Object{r, g, b, a} 로 반환
  @param	{String}	color		rgb(255, 255, 255) 나 rgba(255, 255, 255, 0.5) 형식 Color
  @return	{Object}	{r, g, b, a}