Shutter gradient

flutter Achieve gradient

Container(
                    padding: const EdgeInsets.only(
                        left: 50, right: 50, top: 10, bottom: 10),
                    decoration: BoxDecoration(
                        color: const Color(0xFFA7FFF7),
                        borderRadius: BorderRadius.circular(20)),
                        borderRadius: BorderRadius.circular(20),
                        gradient: const LinearGradient(
                            begin: Alignment.topCenter, // The upper right 
                            end: Alignment.bottomCenter,colors: [
                          Color(0xFFDBFFFA),
                          Color(0xFF6EFFE9),
                          Color(0xFF2FB9A5),
                        ])),