diff --git a/scss/_maps.scss b/scss/_maps.scss
index 68ee421c2b1f..b147814a3dc2 100644
--- a/scss/_maps.scss
+++ b/scss/_maps.scss
@@ -32,6 +32,8 @@ $theme-colors-bg-subtle: (
 ) !default;
 // scss-docs-end theme-bg-subtle-map
 
+$theme-colors-bg-subtle-rgb: map-loop($theme-colors-bg-subtle, to-rgb, "$value") !default;
+
 // scss-docs-start theme-border-subtle-map
 $theme-colors-border-subtle: (
   "primary": $primary-border-subtle,
@@ -48,6 +50,7 @@ $theme-colors-border-subtle: (
 $theme-colors-text-dark: null !default;
 $theme-colors-bg-subtle-dark: null !default;
 $theme-colors-border-subtle-dark: null !default;
+$theme-colors-bg-subtle-rgb-dark: null !default;
 
 @if $enable-dark-mode {
   // scss-docs-start theme-text-dark-map
@@ -134,15 +137,16 @@ $utilities-bg: map-merge(
 $utilities-bg-colors: map-loop($utilities-bg, rgba-css-var, "$key", "bg") !default;
 
 $utilities-bg-subtle: (
-  "primary-subtle": var(--#{$prefix}primary-bg-subtle),
-  "secondary-subtle": var(--#{$prefix}secondary-bg-subtle),
-  "success-subtle": var(--#{$prefix}success-bg-subtle),
-  "info-subtle": var(--#{$prefix}info-bg-subtle),
-  "warning-subtle": var(--#{$prefix}warning-bg-subtle),
-  "danger-subtle": var(--#{$prefix}danger-bg-subtle),
-  "light-subtle": var(--#{$prefix}light-bg-subtle),
-  "dark-subtle": var(--#{$prefix}dark-bg-subtle)
+  "primary-subtle": rgba(var(--#{$prefix}primary-bg-subtle), var(--#{$prefix}bg-opacity)),
+  "secondary-subtle": rgba(var(--#{$prefix}secondary-bg-subtle), var(--#{$prefix}bg-opacity)),
+  "success-subtle": rgba(var(--#{$prefix}success-bg-subtle), var(--#{$prefix}bg-opacity)),
+  "info-subtle": rgba(var(--#{$prefix}info-bg-subtle), var(--#{$prefix}bg-opacity)),
+  "warning-subtle": rgba(var(--#{$prefix}warning-bg-subtle), var(--#{$prefix}bg-opacity)),
+  "danger-subtle": rgba(var(--#{$prefix}danger-bg-subtle), var(--#{$prefix}bg-opacity)),
+  "light-subtle": rgba(var(--#{$prefix}light-bg-subtle), var(--#{$prefix}bg-opacity)),
+  "dark-subtle": rgba(var(--#{$prefix}dark-bg-subtle), var(--#{$prefix}bg-opacity))
 ) !default;
+$theme-colors-bg-subtle-rgb-dark: map-loop($theme-colors-bg-subtle-dark, to-rgb, "$value") !default;
 // scss-docs-end utilities-bg-colors
 
 // scss-docs-start utilities-border-colors
diff --git a/scss/_root.scss b/scss/_root.scss
index becddf14afdc..8b63869caad5 100644
--- a/scss/_root.scss
+++ b/scss/_root.scss
@@ -26,7 +26,7 @@
     --#{$prefix}#{$color}-text-emphasis: #{$value};
   }
 
-  @each $color, $value in $theme-colors-bg-subtle {
+  @each $color, $value in $theme-colors-bg-subtle-rgb {
     --#{$prefix}#{$color}-bg-subtle: #{$value};
   }
 
@@ -156,7 +156,7 @@
       --#{$prefix}#{$color}-text-emphasis: #{$value};
     }
 
-    @each $color, $value in $theme-colors-bg-subtle-dark {
+    @each $color, $value in $theme-colors-bg-subtle-rgb-dark {
       --#{$prefix}#{$color}-bg-subtle: #{$value};
     }
 
diff --git a/scss/_utilities.scss b/scss/_utilities.scss
index 696f906ec9c4..a2515afd07fd 100644
--- a/scss/_utilities.scss
+++ b/scss/_utilities.scss
@@ -674,6 +674,14 @@ $utilities: map-merge(
         )
       )
     ),
+    "subtle-background-color": (
+      property: background-color,
+      class: bg,
+      local-vars: (
+        "bg-opacity": 1
+      ),
+      values: $utilities-bg-subtle
+    ),
     "bg-opacity": (
       css-var: true,
       class: bg-opacity,
@@ -685,11 +693,6 @@ $utilities: map-merge(
         100: 1
       )
     ),
-    "subtle-background-color": (
-      property: background-color,
-      class: bg,
-      values: $utilities-bg-subtle
-    ),
     // scss-docs-end utils-bg-color
     "gradient": (
       property: background-image,
diff --git a/site/content/docs/5.3/examples/album/index.html b/site/content/docs/5.3/examples/album/index.html
index 54b2c5bde159..727130cc00a0 100644
--- a/site/content/docs/5.3/examples/album/index.html
+++ b/site/content/docs/5.3/examples/album/index.html
@@ -3,206 +3,70 @@
 title: Album example
 ---
 
-<header data-bs-theme="dark">
-  <div class="collapse text-bg-dark" id="navbarHeader">
-    <div class="container">
-      <div class="row">
-        <div class="col-sm-8 col-md-7 py-4">
-          <h4>About</h4>
-          <p class="text-body-secondary">Add some information about the album below, the author, or any other background context. Make it a few sentences long so folks can pick up some informative tidbits. Then, link them off to some social networking sites or contact information.</p>
-        </div>
-        <div class="col-sm-4 offset-md-1 py-4">
-          <h4>Contact</h4>
-          <ul class="list-unstyled">
-            <li><a href="#" class="text-white">Follow on Twitter</a></li>
-            <li><a href="#" class="text-white">Like on Facebook</a></li>
-            <li><a href="#" class="text-white">Email me</a></li>
-          </ul>
-        </div>
-      </div>
-    </div>
-  </div>
-  <div class="navbar navbar-dark bg-dark shadow-sm">
-    <div class="container">
-      <a href="#" class="navbar-brand d-flex align-items-center">
-        <svg xmlns="http://www.w3.org/2000/svg" width="20" height="20" fill="none" stroke="currentColor" stroke-linecap="round" stroke-linejoin="round" stroke-width="2" aria-hidden="true" class="me-2" viewBox="0 0 24 24"><path d="M23 19a2 2 0 0 1-2 2H3a2 2 0 0 1-2-2V8a2 2 0 0 1 2-2h4l2-3h6l2 3h4a2 2 0 0 1 2 2z"/><circle cx="12" cy="13" r="4"/></svg>
-        <strong>Album</strong>
-      </a>
-      <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarHeader" aria-controls="navbarHeader" aria-expanded="false" aria-label="Toggle navigation">
-        <span class="navbar-toggler-icon"></span>
-      </button>
-    </div>
-  </div>
-</header>
-
-<main>
-
-  <section class="py-5 text-center container">
-    <div class="row py-lg-5">
-      <div class="col-lg-6 col-md-8 mx-auto">
-        <h1 class="fw-light">Album example</h1>
-        <p class="lead text-body-secondary">Something short and leading about the collection below—its contents, the creator, etc. Make it short and sweet, but not too short so folks don’t simply skip over it entirely.</p>
-        <p>
-          <a href="#" class="btn btn-primary my-2">Main call to action</a>
-          <a href="#" class="btn btn-secondary my-2">Secondary action</a>
-        </p>
-      </div>
-    </div>
-  </section>
-
-  <div class="album py-5 bg-body-tertiary">
-    <div class="container">
-
-      <div class="row row-cols-1 row-cols-sm-2 row-cols-md-3 g-3">
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
+<div data-bs-theme="light" class="bg-white">
+  <div class="bg-secondary p-2 text-white">
+    This is default secondary background
+  </div>
+  <div class="bg-secondary p-2 text-white bg-opacity-75">
+    This is 75% opacity secondary background
+  </div>
+  <div class="bg-secondary p-2 text-dark bg-opacity-50">
+    This is 50% opacity secondary background
+  </div>
+  <div class="bg-secondary p-2 text-dark bg-opacity-25">
+    This is 25% opacity secondary background
+  </div>
+  <div class="bg-secondary p-2 text-dark bg-opacity-10">
+    This is 10% opacity secondary background
+  </div>
 
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-        <div class="col">
-          <div class="card shadow-sm">
-            {{< placeholder width="100%" height="225" background="#55595c" color="#eceeef" class="card-img-top" text="Thumbnail" >}}
-            <div class="card-body">
-              <p class="card-text">This is a wider card with supporting text below as a natural lead-in to additional content. This content is a little bit longer.</p>
-              <div class="d-flex justify-content-between align-items-center">
-                <div class="btn-group">
-                  <button type="button" class="btn btn-sm btn-outline-secondary">View</button>
-                  <button type="button" class="btn btn-sm btn-outline-secondary">Edit</button>
-                </div>
-                <small class="text-body-secondary">9 mins</small>
-              </div>
-            </div>
-          </div>
-        </div>
-      </div>
-    </div>
+  <div class="bg-secondary-subtle p-2 text-dark">
+    This is default secondary-subtle background
+  </div>
+  <div class="bg-secondary-subtle p-2 text-dark bg-opacity-75">
+    This is 75% opacity secondary-subtle background
+  </div>
+  <div class="bg-secondary-subtle p-2 text-dark bg-opacity-50">
+    This is 50% opacity secondary-subtle background
   </div>
+  <div class="bg-secondary-subtle p-2 text-dark bg-opacity-25">
+    This is 25% opacity secondary-subtle background
+  </div>
+  <div class="bg-secondary-subtle p-2 text-dark bg-opacity-10">
+    This is 10% opacity secondary-subtle background
+  </div>
+</div>
 
-</main>
+<div data-bs-theme="dark" class="bg-dark">
+  <div class="bg-secondary p-2 text-white">
+    This is default secondary background
+  </div>
+  <div class="bg-secondary p-2 text-white bg-opacity-75">
+    This is 75% opacity secondary background
+  </div>
+  <div class="bg-secondary p-2 text-dark bg-opacity-50">
+    This is 50% opacity secondary background
+  </div>
+  <div class="bg-secondary p-2 text-dark bg-opacity-25">
+    This is 25% opacity secondary background
+  </div>
+  <div class="bg-secondary p-2 text-dark bg-opacity-10">
+    This is 10% opacity secondary background
+  </div>
 
-<footer class="text-body-secondary py-5">
-  <div class="container">
-    <p class="float-end mb-1">
-      <a href="#">Back to top</a>
-    </p>
-    <p class="mb-1">Album example is &copy; Bootstrap, but please download and customize it for yourself!</p>
-    <p class="mb-0">New to Bootstrap? <a href="/">Visit the homepage</a> or read our <a href="{{< docsref "/getting-started/introduction" >}}">getting started guide</a>.</p>
-  </div>
-</footer>
+  <div class="bg-secondary-subtle p-2 text-white">
+    This is default secondary-subtle background
+  </div>
+  <div class="bg-secondary-subtle p-2 text-white bg-opacity-75">
+    This is 75% opacity secondary-subtle background
+  </div>
+  <div class="bg-secondary-subtle p-2 text-white bg-opacity-50">
+    This is 50% opacity secondary-subtle background
+  </div>
+  <div class="bg-secondary-subtle p-2 text-white bg-opacity-25">
+    This is 25% opacity secondary-subtle background
+  </div>
+  <div class="bg-secondary-subtle p-2 text-white bg-opacity-10">
+    This is 10% opacity secondary-subtle background
+  </div>
+</div>