Leaf pile textures issue

MC 1.21.1 Mod 0.2.0
That's very cool to add mod compatibility for modded leaves !
But there's a visual issue that seems to invert the color palette as soon at it reaches the six states.

A few examples here :

<img width="742" height="622" alt="Image" src="https://github.com/user-attachments/assets/41b29894-4523-4ad5-ad24-28c783a244a0" />