Panel - Updating the background color preview without reloading the page

Hello there.
I have a website were you can change the background color of an image in the admin panel using a color picker.
In the file blueprint, using

  back: "{{file.color}}"

I can display the color of the image in the little preview.
But it updates only when you reload the page & I wanted to know if I could update it everytime I pick the color, dynamically, without reloading.


sorry there, but I up this question, since I didn’t find any solution…

Thanks again!

No, that won’t work, because for the change to be reflected in the Panel, Kirby has to re-read the blueprint.