diff --git a/scss/_variables.scss b/scss/_variables.scss
index 5e959ffb63..e4b9148239 100644
--- a/scss/_variables.scss
+++ b/scss/_variables.scss
@@ -2282,6 +2282,11 @@ $quantity-selector-btn-padding-x-sm:      add($btn-icon-padding-x-sm, 2px) !defa
 $quantity-selector-icon-width:            .875rem !default;
 $quantity-selector-icon-sm-width:         .625rem !default;
 
+$quantity-selector-disabled-color:        var(--#{$prefix}disabled-color) !default; // Could be `$input-disabled-color` after #2221
+$quantity-selector-disabled-bg:           var(--#{$prefix}body-bg) !default; // Could be `$input-disabled-bg` after #2221
+$quantity-selector-button-bg:             var(--#{$prefix}body-bg) !default; // Could be `$input-disabled-bg` after #2221
+$quantity-selector-button-border:         var(--#{$prefix}border-width) solid var(--#{$prefix}border-color-translucent) !default;
+
 $quantity-selector-icon-add:              $add-icon !default;
 $quantity-selector-icon-add-sm:           $add-icon-sm !default;
 $quantity-selector-icon-add-height:       .875rem !default;
diff --git a/scss/forms/_quantity-selector.scss b/scss/forms/_quantity-selector.scss
index 417c7b8b7b..3df9030c6c 100644
--- a/scss/forms/_quantity-selector.scss
+++ b/scss/forms/_quantity-selector.scss
@@ -19,13 +19,18 @@
     }
 
     &:disabled {
-      color: $gray-500;
-      background-color: $white;
+      color: $quantity-selector-disabled-color;
+      background-color: $quantity-selector-disabled-bg;
     }
   }
 
   button {
-    border: var(--#{$prefix}border-width) solid $gray-500;
+    background-color: $quantity-selector-button-bg;
+    border: $quantity-selector-button-border;
+
+    &:disabled {
+      background-color: $quantity-selector-button-bg;
+    }
 
     &:first-of-type {
       @include button-icon($quantity-selector-icon-remove, $size: $quantity-selector-icon-width $quantity-selector-icon-remove-height, $pseudo: "after");
diff --git a/site/content/docs/5.3/dark-mode.md b/site/content/docs/5.3/dark-mode.md
index f8396a0e51..d50d34372d 100644
--- a/site/content/docs/5.3/dark-mode.md
+++ b/site/content/docs/5.3/dark-mode.md
@@ -1690,3 +1690,120 @@ sitemap_exclude: true
     <label for="excellent51" title="Excellent"><span class="visually-hidden">Excellent</span></label>
   </fieldset></form>
 </div>
+
+### Quantity selector
+
+<h4 class="mt-3">No theme</h4>
+
+<div class="d-flex gap-2 border border-tertiary p-3">
+  <div class="input-group quantity-selector">
+    <input type="number" id="inputQuantitySelector" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="5" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector" data-bs-step="down">
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector" data-bs-step="up">
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+  <div class="input-group quantity-selector">
+    <input type="number" id="inputQuantitySelectorDisabled" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="0" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector" disabled>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled" data-bs-step="down" disabled>
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled" data-bs-step="up" disabled>
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+</div>
+
+<h4 class="mt-3">Dark theme on container</h4>
+
+<div class="d-flex gap-2 border border-tertiary p-3 bg-body" data-bs-theme="dark">
+  <div class="input-group quantity-selector">
+    <input type="number" id="inputQuantitySelector1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="5" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="down">
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector1" data-bs-step="up">
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+  <div class="input-group quantity-selector">
+    <input type="number" id="inputQuantitySelectorDisabled1" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="0" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector" disabled>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled1" data-bs-step="down" disabled>
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled1" data-bs-step="up" disabled>
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+</div>
+
+<h4 class="mt-3">Light theme on container</h4>
+
+<div class="d-flex gap-2 border border-tertiary p-3 bg-body" data-bs-theme="light">
+  <div class="input-group quantity-selector">
+    <input type="number" id="inputQuantitySelector2" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="5" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector2" data-bs-step="down">
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector2" data-bs-step="up">
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+  <div class="input-group quantity-selector">
+    <input type="number" id="inputQuantitySelectorDisabled2" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="0" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector" disabled>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled2" data-bs-step="down" disabled>
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled2" data-bs-step="up" disabled>
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+</div>
+
+<h4 class="mt-3">Dark theme on component</h4>
+
+<div class="d-flex gap-2 border border-tertiary p-3" style="background-color: #282d55;">
+  <div class="input-group quantity-selector" data-bs-theme="dark">
+    <input type="number" id="inputQuantitySelector3" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="5" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector3" data-bs-step="down">
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector3" data-bs-step="up">
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+  <div class="input-group quantity-selector" data-bs-theme="dark">
+    <input type="number" id="inputQuantitySelectorDisabled3" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="0" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector" disabled>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled3" data-bs-step="down" disabled>
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled3" data-bs-step="up" disabled>
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+</div>
+
+<h4 class="mt-3">Light theme on component</h4>
+
+<div class="d-flex gap-2 border border-tertiary p-3" style="background-color: #b5e8f7">
+  <div class="input-group quantity-selector" data-bs-theme="light">
+    <input type="number" id="inputQuantitySelector4" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="5" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector">
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector4" data-bs-step="down">
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelector4" data-bs-step="up">
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+  <div class="input-group quantity-selector" data-bs-theme="light">
+    <input type="number" id="inputQuantitySelectorDisabled4" class="form-control" aria-live="polite" data-bs-step="counter" name="quantity" title="quantity" value="0" min="0" max="10" step="1" data-bs-round="0" aria-label="Quantity selector" disabled>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled4" data-bs-step="down" disabled>
+      <span class="visually-hidden">Step down</span>
+    </button>
+    <button type="button" class="btn btn-icon btn-secondary" aria-describedby="inputQuantitySelectorDisabled4" data-bs-step="up" disabled>
+      <span class="visually-hidden">Step up</span>
+    </button>
+  </div>
+</div>