public static int getBrightness(int color) {
    int r = (color & 0x00ff0000) >> 16;
    int g = (color & 0x0000ff00) >> 8;
    int b = (color & 0x000000ff);
    int y = Math.round(0.3f * r + 0.59f * g + 0.11f * b);
    y = y < 0 ? 0 : y;
    y = y > 255 ? 255 : y;
    return y;
}