Chrome extension broken in dark mode when using oklch

This took me a bit to debug, and unfortunately I don't have a minimal reproduction available, but here's the issue, on a website I'm working on we use shadcn, which in turns uses OKLCH to define colors, which is not supported by the chrome extension at the moment.

I found the code in the extension for this, and it expecting a RGB color:

Would it be possible to update the extension to support OKLCH as well?

For example this is the style I'm using