Sticky Header Color Change

I can’t find the option to add a different color background to the sticky header. Let’s say my header is transparent and text is white, I would like the logo, menu and icons to change to white background and black text once it gets to sticky.

Here’s an example: https://woodmart.xtemos.com/demo-fashion-colored/demo/fashion-colored/

Take the example and imagine that instead of black background with white text, the background is white and the text is black. Is there any way to do that?

If I can’t change text color in sticky, how do I change the background in sticky?