I updated it now: https://pcpartpicker.com/user/The_Real_Ket/saved/qwJ3FT
You can choose to change those fans to be RGB fans later if you want to and/or you can use an RGB LED light strip for cheap to light up your whole system...
I came up with this list, it's slightly over budget, but it can be adjusted. I'm pretty sure that you wanted an AIO cooler however:
https://pcpartpicker.com/user/The_Real_Ket/saved/qwJ3FT