Red color on the template

The color is not the one I specified on the builder. I went with the Grey one, but it loads up with an ugly red!

I cloned your form and I was able to change the color using the Palletes. Here's a screen animation guide:

Could you please try it again? If the issue persists, please try using a different internet browser. Also, may I know if you're changing the color using the Custom tab of the Form Designer?

I hope that helps. If you have any questions, please let us know.