umbrhal-inria-accessibilite - Inria - Institut national de recherche en sciences et technologies du numérique Access content directly portal passes to the dark side and becomes more accessible thanks to Umbrhal

Umbrhal is a dark visualisation mode with bicolour contrast for a more comfortable view of the pages.
Umbrhal is developped by Inria to rest your eyes and uses contrast rules, in ordre to be more accessible for visually impaired.
To use Umbrhal, install the Stylus extension, import the Umbrhal script and that's about it. Activate Umbrhal by checking a box. Next time you browse, the colours will change automatically. To deactivate, uncheck and you will find the original colours of

This tutorial explains how to do it all (in French or in English)

What is Umbral?

You will find step-by-step explanations here (in French) : access to Umbrhal github