Given the splitter doesn't have the LUT applied I'm wild-guessing this is a limitation and by-design, but: see the underground belt, it has the blue tint from the frozen LUT... and the loader/splitter do not.
For completeness, the splitter is unmodded:
[2.0.72] Visual Bug - Splitter/Loader do not have frozen LUT applied
Re: [2.0.72] Visual Bug - Splitter/Loader do not have frozen LUT applied
Thanks for the report. This is now fixed for 2.1.
If you want to get ahold of me I'm almost always on Discord.

