How to make color letters are not inverted in the dark theme?

Color in Mail on ios are inverted, how to deactivate this?
April 19th 20 at 12:08
2 answers
April 19th 20 at 12:10
<meta name="color-scheme" content="dark">
 <meta name="supported-color-schemes" content="dark">
April 19th 20 at 12:12

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