Blog/October 12, 2025

Yumma CSS 3.5

Opacity variants for color utilities & small CLI improvements.

Yumma CSS 3.5

First-party engine

Yumma CSS now features a first-party engine. This internal change supports future projects like Yumma CSS Play without impacting existing projects.


Opacity color variants

You can now use color utility variants to apply opacity to specific utilities.

<div class="d-g g-4 gtc-4">
<div class="bg-indigo/5 d-16"></div>
<div class="bg-indigo/10 d-16"></div>
<div class="bg-indigo/25 d-16"></div>
<div class="bg-indigo/50 d-16"></div>
</div>

Upgrade

Get the latest version of Yumma CSS:

Terminal window
pnpm up yummacss@latest