pencilwp

Easy Dark Mode adds a floating toggle button to your WordPress website that allows visitors to switch between light and dark modes with just one click.
Features:
<ul>
<li>One-click toggle between light and dark modes</li>
<li>Customizable toggle button position (top-left, top-right, bottom-left, bottom-right)</li>
<li>Multiple toggle button styles (circle, square, pill)</li>
<li>Option to remember user preference between visits</li>
<li>Default mode settings (light, dark, or auto based on system preference)</li>
<li>Lightweight with minimal impact on page load speed</li>
<li>Works with any WordPress theme</li>
<li>No configuration needed – works out of the box</li>
<li>Admin settings page for customization</li>
</ul>

Easy Dark Mode

Add a one-click dark mode toggle to your WordPress website - simple, lightweight, and customizable.

Cico Zeljko

wpvote

This is a simple plugin that will make your wp admin panel theme much more pleasant for work. Using specific colours you improve your work surrounding and simple and clean design of your wp admin panel.
<ul>
<li>30 color themes.</li>
<li>Tested with other popular plugins.</li>
<li>last update 8/5/2019</li>
</ul>
Video: 
https://www.youtube.com/watch?v=usB0PPeEczw

Colorize Admin

This is a simple plugin that will make your wp admin panel theme much more pleasant for work.

Easy Dark Mode vs Colorize Admin