Change custom color themes at runtime

[Kobid]

I'm using Material style in my app. I know how to switch between themes using qtquickcontrols2.conf file:

[Controls]
Style=Material

[Universal]
Theme=Dark
Accent=Red

[Material]
Theme=Dark
Primary=Gray
Accent=#825AA7

But let say that I want to have predefined Material's themes like: pink, green, blue. Each one has own pedefined colors for Primary, Accent etc. User should be able to change between these themes at runtime (or at least after restart). How to do this? For example this works:

ApplicationWindow {
    id: app
    visible: true
    Material.primary: "red"

But this doesn't:
RadioButton { text: qsTr("Red"); onClicked: {console.log("clicked"); Material.primary="red"} }

[GrecKo]

@Kobid
The Material.primary="red" in the button's onClicked change the primary color of the button I believe.
If you want to change it for all the descendants of your ApplicationWindow, you have to do app.Material.primary="red".
Qt Quick Controls 2 styling gets inherited from the parent control.

[Kobid]

This post is deleted!

[Kobid]

@GrecKo Yep, that works!