IOS 按钮字体颜色设置

UIColor RGB颜色对照表

http://blog.youkuaiyun.com/sqc3375177/article/details/9198765

UIButton *customButton = [UIButton buttonWithType:UIButtonTypeCustom];

     [customButton setTitleColor:_btnFontColor forState:UIControlStateNormal];
      //  customButton.titleLabel.textColor = _btnFontColor;