Embed code · widget · Insurance & Misc
Embed the HTML Color Code (HEX, RGB, HSL) on your site
Add the HTML Color Code (HEX, RGB, HSL) to any page. Copy the code below — it auto-resizes and follows your site theme.
Preview
Theme
<div class="calcro-widget" data-tool="cod-culoare-html" data-locale="en" data-theme="auto">
<a href="https://calcula.ro/en/html-color-code">HTML Color Code (HEX, RGB, HSL) — calcula·ro</a>
</div>
<script async src="https://calcula.ro/widget.js"></script>iAbout this calculator
Convert colours between HEX, RGB and HSL, both ways, with an instant preview. Ideal for web, design and CSS.
?Frequently asked questions
Is it free?
Yes. No account and no impression limit.
Can I embed the HTML Color Code (HEX, RGB, HSL) on WordPress or another CMS?
Yes. It works anywhere you can paste HTML — WordPress, Wix, Webflow or plain HTML.
Will it slow my site down?
No. The widget lazy-loads inside an isolated iframe and only runs when it becomes visible.
Is it mobile-friendly?
Yes. It fills the container width: side-by-side on wide screens, stacked on mobile.