DO NOT DO IT!!!! There is a lot of skill involved with doing paint and body work. When performed by someone who is not properly trained, you can and will seriously damage your vehicle and it will cost several thousand dollars to reverse the damage that has been done. A paint job that is equivalent to a factory paint job will cost at least $2500. By changing the color of the car you will devalue it as well.
This is a bad idea. Please do not do it. You will make it look worse then it does now.