Nav Bar fade to solid color problem

Design help Animations & Interactions
1

Hi! Thanks to this forum I got the nav bar to change colors on page scroll but it never totally goes 100% solid color. It’s set to 100% on the second stage however. Eh?

https://preview.webflow.com/preview/mhlc?utm_medium=preview_link&utm_source=designer&utm_content=mhlc&preview=9d258ebd66858311a2813c53fa918ea2&workflow=preview

Here is my public share link: LINK
(how to access public share link)