change background color on scroll with Tailwind CSS and Alpinejs

This tailwind example is contributed by Michael Andreuzza, on 27-Apr-2024. Component is made with Tailwind v3.4. It is responsive. similar terms for this example is Transitions

Animation

Author Michael Andreuzza

Tailwind v3.4 3.6k 6

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<header x-data="{ scroll: false }" @scroll.window="scroll = (window.pageYOffset > 50) ? true : false" :class="{ 'bg-white': scroll, 'bg-transparent': !scroll }" class="w-full fixed top-0 p-20 text-4xl 2xl:text-8xl flex flex-col justify-center items-center transition-colors duration-500 ease-in-out">
 <div class="text-base text-gray-500  mx-auto">
  <div>
   <h1>Background change on scroll</h1>
   <p class="text-balance">
    Scroll down to see the background color change while scroll.
   </p>
  </div>
 </div>
</header>

<section x-data="{ scroll: false }" @scroll.window="scroll = (window.pageYOffset > 50) ? true : false" :class="{ 'bg-[#fffee5]': scroll, 'bg-white': !scroll }" class="h-svh text-4xl 2xl:text-8xl p-20 pt-80 flex flex-col justify-center items-center transition-colors duration-500 ease-in-out">
 <h2>Section #01</h2>
</section>
<section x-data="{ scroll: false }" @scroll.window="scroll = (window.pageYOffset > 150) ? true : false" :class="{ 'bg-[#e1f1fd]': scroll, 'bg-white': !scroll }" class="h-svh text-4xl 2xl:text-8xl p-20 flex flex-col justify-center items-center transition-colors duration-500 ease-in-out">
 <h2>Section #02</h2>
</section>
<section x-data="{ scroll: false }" @scroll.window="scroll = (window.pageYOffset > 250) ? true : false" :class="{ 'bg-[#fceeda]': scroll, 'bg-white': !scroll }" class="h-svh text-4xl 2xl:text-8xl p-20 flex flex-col justify-center items-center transition-colors duration-500 ease-in-out">
 <h2>Section #03</h2>
</section>

<div class="pointer-events-none fixed inset-x-0 bottom-0 sm:flex sm:justify-center p-2">
 <div class="pointer-events-auto flex w-full max-w-md divide-x divide-neutral-200 rounded-lg bg-white shadow-xl border">
  <div class="flex w-0 flex-1 items-center p-4">
   <div class="w-full">
    <p class="text-sm font-medium text-neutral-900">Tutorial</p>
    <p class="mt-1 text-sm text-neutral-500">
     How to change background color on scroll with Tailwind CSS and
     Alpinejs
    </p>
    <p class="mt-2 text-xs text-orange-500 underline">
     <a href="https://lexingtonthemes.com"> by © Lexington Themes</a>
    </p>
   </div>
  </div>
  <div class="flex">
   <div class="flex flex-col divide-y divide-neutral-200">
    <div class="flex h-0 flex-1">
     <a href="https://lexingtonthemes.com/tutorials/how-to-change-background-coloron-scroll-with-tailwind-css-and-alpinejs" type="button" class="flex w-full items-center justify-center rounded-none rounded-tr-lg border border-transparent px-4 py-3 text-sm font-medium text-orange-600 hover:text-orange-500 focus:z-10 focus:outline-none focus:ring-2 focus:ring-orange-500">Tutorial</a>
    </div>
    <div class="flex h-0 flex-1">
     <a href="https://github.com/Lexington-Themes/lexington-tutorials/blob/main/src/pages/change-on-scroll/index.astro" class="flex w-full items-center justify-center rounded-none rounded-br-lg border border-transparent px-4 py-3 text-sm font-medium text-neutral-700 hover:text-neutral-500 focus:outline-none focus:ring-2 focus:ring-orange-500">Get the code</a>
    </div>
   </div>
  </div>
 </div>
</div>

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