Minimum Contrast Ratio broken for light themes

[destin-v]

Describe the problem:

When setting the minimum contrast ratio under Appearance it will work on dark themes like Tabby Default. But if you use Tabby Default Light it will not work. I am on MacOS with NerdFonts. I also noticed that when

To Reproduce:

1. Select the Tabby Default light.

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2. Then set minimum contrast ratio to a high number.

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3. Open a terminal and type ls. This will show no text because there is no contrast.