Getting a colored text in Valorant wasn't not rocket science, and could be done with just a couple of HTML codes. However, that doesn't work anymore.
Using an Xbox voice changer isn't that hard to do if You have a PC. All you'll need to do is remotely connect the Xbox to the PC and stream the microphone!
You can uncensor bad words in Valorant by turning off the explicit language filter in the game settings, allowing you to see all chat messages.