Firstly I would like to change colour by buttons like here: BMW i8 - PLAYCANVAS
Secondly, I would like to have a colour picker to choose the right colour.
Could you point me to some scripts of some information to do that thing?
I know python/html/css.
This has been recently released, a color picker in the official PCUI library:
Then there is this example by @yaustar that uses the popular jscolor library:
On how to update the actual material color check this example: HTML/CSS - Live Updates | Learn PlayCanvas
Thanks a lot for your help.