With Nova enabled, `--box-button-text-color-disabled` (set to `--button-text-color-menu-disabled` in [moz-box.tokens.css](https://searchfox.org/firefox-main/rev/4b550c17bb6c2c7bac7e8842c6b76f17debf643f/toolkit/content/widgets/moz-box.tokens.css#25)) resolves to the `ButtonFace` color instead of `GrayText`. Because of that the text becomes invisible (color of the text is the same as the color of the background).
Bug 2053446 Comment 0 Edit History
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With Nova enabled, `--box-button-text-color-disabled` (set to `--button-text-color-menu-disabled` in [moz-box.tokens.css](https://searchfox.org/firefox-main/rev/4b550c17bb6c2c7bac7e8842c6b76f17debf643f/toolkit/content/widgets/moz-box.tokens.css#25)) resolves to the `ButtonFace` color instead of `GrayText` in HCM. Because of that the text becomes invisible (color of the text is the same as the color of the background).