Twenty Twenty-One: Fix button text color in blocks with a custom background - #13707
R1shabh-Gupta wants to merge 1 commit into
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t-hamano
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LGTM! I think this is exactly the right correction.
@sabernhardt, can you take a look at this when you have time?

Fixes invisible button text in Twenty Twenty-One when a button (Search, File, or a plain button) sits inside a block with a custom background color.
The button-style mixin falls back to the same color for both the button's text and its background when no local color variable is set, which happens with custom (non-palette) background colors. This changes the text fallback to match the one the Button block already uses, so text stays readable.
Trac ticket: https://core.trac.wordpress.org/ticket/63245
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