Illegible colors with JupyterLab 3.6.1

[dhirschfeld]

With the latest JupyterLab 3.6.1 colours which were off-white are now black which makes them very difficult to distinguish on the dark background

JupyterLab 3.6.1

JupyterLab 3.5.2

[dhirschfeld]

3.5.2

<div class="lm-TabBar-tabIcon p-TabBar-tabIcon fix2bjg">
  <svg xmlns="http://www.w3.org/2000/svg" width="16" viewBox="0 0 24 24" data-icon="ui-components:text-editor" data-icon-id="6ad95669-163c-429c-b082-6f9ffb95db59">
    <path class="jp-icon3 jp-icon-selectable" fill="#616161" d="M15 15H3v2h12v-2zm0-8H3v2h12V7zM3 13h18v-2H3v2zm0 8h18v-2H3v2zM3 3v2h18V3H3z">
    </path>
  </svg>
</div>

---

3.6.1

<div class="lm-TabBar-tabIcon p-TabBar-tabIcon fix2bjg">
  <svg xmlns="http://www.w3.org/2000/svg" width="16" viewBox="0 0 24 24" data-icon="ui-components:text-editor" data-icon-id="eec49166-d3f7-4a8d-bd98-72e0e2021a56">
    <path class="jp-text-editor-icon-color jp-icon-selectable" fill="#616161" d="M15 15H3v2h12v-2zm0-8H3v2h12V7zM3 13h18v-2H3v2zm0 8h18v-2H3v2zM3 3v2h18V3H3z">
    </path>
  </svg>
</div>

Hovering over the --jp-text-editor-icon-color above, it says that it is not defined.