porterAI

Lightweight plugin to brand the WordPress login page using the built-in site icon assets. Just set the logo in the customizer and that’s all.
<ul>
<li>Uses site logo set in the customizer available from WordPress core, works without any setup.</li>
<li>Option to set custom logo, just for the login page.</li>
<li>Option to set header and footer text, background and text colors.</li>
</ul>

Simple Admin Branding

Lightweight plugin to brand the WordPress login page using the built-in site icon assets. Just set the logo in the customizer and that's all.

graywp

Gray Login Customizer allows you to personalize your WordPress login page with ease. Whether you’re branding for a client or improving your own site’s aesthetics, this plugin helps you design the login screen without touching code.
Features: 
– Upload a custom logo 
– Change background color or image 
– Customize login form styles (border, color, etc.) 
– Custom login button design 
– Lightweight and optimized for performance
Perfect for developers, agencies, and site owners who want to deliver a better login experience.

Gray Login Customizer

Easily customize your WordPress login page with logo, background, styles, and more — no coding needed.

Simple Admin Branding vs Gray Login Customizer