Change nav content colour on scroll

Hi Guys

I am trying to achieve the content of my nav to change when scrolling over certain sections (ie black to white and white to black) I found an example done by @avivtech that he had published it made logical sense to me but I am struggling to recreate the effect when you scroll back up the top of the page, I wonder if somebody could maybe shed some light on where i’m going wrong, i’m still pretty new to Interactions in webflow. Cheers

This is @avivtech version