diff --git a/index.html b/index.html
index ed237fdb28a..37fd9dd652c 100644
--- a/index.html
+++ b/index.html
@@ -1158,6 +1158,10 @@ <h1>Projects Using Ace</h1>
                                     <img lazy-src="https://acode.foxdebug.com/logo.svg" style="width: 72px; left: 15px; top: 10px;">
                                     <a href="https://acode.foxdebug.com">Acode</a>
                                 </li>
+                                <li>
+                                    <img lazy-src="https://htmcolor.com/wp-content/uploads/2023/08/1692613065983.png" style="width: 72px; left: 15px; top: 10px;">
+                                    <a href="https://Htmcolor.com">Htm color</a>
+                                </li>
                                 <li id="add_your_site">
                                     <p>+</p>
                                     <a href="https://github.com/ajaxorg/ace/issues/new?assignees=&labels=website%2Cneeds-triage&projects=&template=add-to-website.yml&title=Add+project+%28project+name%29+to+the+list+of+projects+using+Ace+on+its+website">Your Site Here</a>