code: public static int getDeclinedColorFromColor(int color) {
          int bg = 0xffffffff;
          int a = DECLINED_EVENT_ALPHA;
          int r = (((color & 0x00ff0000) * a) + ((bg & 0x00ff0000) * (0xff - a))) & 0xff000000;
          int g = (((color & 0x0000ff00) * a) + ((bg & 0x0000ff00) * (0xff - a))) & 0x00ff0000;
          int b = (((color & 0x000000ff) * a) + ((bg & 0x000000ff) * (0xff - a))) & 0x0000ff00;
          return (0xff000000) | ((r | g | b) >> 8);
      }
docs: white. The result is the color that should be used for declined events.