JSFiddle - React, Tailwind, and code Playground
HTML
<div class="outter">
<div class="yes-color">
text
</div>
</div>
<br/>
<div class="outter">
<div class="no-color">
text
</div>
</div>
CSS
.outter:has(> .yes-color) {
background-color: red;
}