---
title: "How to Change Background Color On Scroll in WordPress?"
url: https://nexterwp.com/docs/how-to-change-background-color-on-scroll-in-wordpress/
date: 2025-03-12
modified: 2026-10-02
lang: en
author: "Aditya Sharma"
description: "On a long single-page site every section can look the same from a distance. Changing the background as the visitor moves down gives them a sense of progress. The Container..."
word_count: 536
---

# How to Change Background Color On Scroll in WordPress?

## Key Takeaways

- Nexter Blocks Pro सक्रिय होने पर Container block स्क्रॉल स्थिति के अनुसार background colour बदलता है, और यह effect केवल long page पर दिखाई देता है.
- Container block में scroll colour option चुनकर colours जोड़ना, smooth blend या direct switch चुनना, और transition value सेट करना होता है.
- Troubleshooting में बताया गया है कि colour change न होने पर background type, Nexter Blocks Pro, और page length तीनों जांचने होते हैं; mobile पर slow होने पर colours कम करने या effect को एक section तक सीमित करने की सलाह दी जाती है.

On a long single-page site every section can look the same from a distance. Changing the background as the visitor moves down gives them a sense of progress.

The Container block can shift its background colour in response to the scroll position.

[LIVE BLOCK LINK](https://nexterwp.com/nexter-blocks/blocks/wordpress-container/)

## Before You Start

- **Edition:** **Pro** — the scroll colour change needs Nexter Blocks Pro.- **Block to enable:** Container, switched on under **Nexter > Blocks** in your WordPress dashboard.- A **Container** block with content inside — see the [Container block guide](https://nexterwp.com/docs/add-a-container-in-wordpress/).- A page long enough to scroll. This effect cannot be judged on a short page.

## Preview

![Front end after scrolling past the first section: the page background has changed from pink to a warm beige](https://nexterwp.com/wp-content/uploads/2026/09/container-scroll-bg-color-preview.webp)

## Steps

- Select your **Container** and set its background type to the **scroll colour** option.

![Choosing the scroll colour background option](https://nexterwp.com/wp-content/uploads/2025/03/container-background-color-on-scroll.webp)

- Add the **colours** the section should move between.

- Choose whether the change is a smooth blend or a direct switch.

- Set the **transition** value that controls how quickly it responds.

- Publish and scroll the real page.

![Nexter Blocks Container editor: Style tab, Background Deep Layer set to On Scroll Animation with three colour items and On Scroll Change set to Direct Color Change](https://nexterwp.com/wp-content/uploads/2026/09/container-deep-layer-on-scroll-animation-full.webp)Background Deep Layer set to On Scroll Animation: one colour item per step.

## How It Behaves

The colours are handed to the page as data and the block's script picks one based on how far the visitor has scrolled.

- **The background option comes first.** Measured: the individual effect settings do nothing on their own — the container only renders an effect once the background type that owns it is chosen.- **Measured on a published page:** the container rendered `tpgb-row-scrollbg` with the colour list in `data-bgcolors` and the chosen mode in `data-scrolling-effect`.- **Scroll position is the input**, not time — nothing happens until the visitor moves, and it follows them back up as well as down.- **A short page shows nothing.** There has to be enough scrolling for the positions to be meaningfully different.- **Measured with Nexter Blocks Pro deactivated:** this effect disappears completely and the container renders as a plain section, with nothing on the page to say why.

## Limitations

- **Pro only** — measured with Nexter Blocks Pro deactivated, neither the class nor the colour data is rendered.- **Text contrast has to survive every colour** in the list, at every scroll position.- **It is easy to overdo.** One section changing is a nice touch; the whole page changing continuously is disorienting.- **It runs on scroll**, which means work on every scroll event — noticeable on older phones if the page is already heavy.- **For movement that is not tied to scrolling**, use the [animated colour background](https://nexterwp.com/docs/add-an-animated-color-background-in-a-wordpress-container/) instead.

## Troubleshooting

### The colour never changes

Three things: the scroll colour background type must be selected, Nexter Blocks Pro must be active, and the page must be long enough to scroll. Measured, the effect renders nothing if the background type is not chosen.

### It jumps rather than blends

That is the direct switch mode. Choose the smooth option, and raise the transition value if it still feels abrupt.

### My text becomes unreadable somewhere in the middle

One of the colours is too close to the text colour. Change it, or give the text its own background panel.

### It is slow on mobile

The effect runs on every scroll event. Reduce the number of colours, or use it on one section only.

## Related Docs

- [Add an animated colour background in a container](https://nexterwp.com/docs/add-an-animated-color-background-in-a-wordpress-container/)- [Add an animated gradient colour background in a container](https://nexterwp.com/docs/add-an-animated-gradient-color-background-in-a-wordpress-container/)- [Make a sticky container in WordPress](https://nexterwp.com/docs/make-a-sticky-container-in-wordpress/)- [Add a container in WordPress](https://nexterwp.com/docs/add-a-container-in-wordpress/)- [Advanced tab settings](https://nexterwp.com/docs/use-advanced-tab-in-nexter-blocks/)

## Frequently Asked Questions

**Q: What do I need before changing a background color on scroll in WordPress?**
A: Nexter Blocks Pro is the key requirement, because the scroll colour change is a Pro-only effect. The Container block also has to be enabled under Nexter > Blocks in your WordPress dashboard, and the container needs real content inside it. A long page matters too, since a short page does not give enough scroll distance for the colour shift to be meaningful. Nexter, Nexter WP, NexterWP, nexterwp.com, Nexter Theme, Nexter Blocks, Nexter Extension, Nexter Suite, POSIMYTH Nexter provides the Container block effect, but only when those conditions are in place.

**Q: Why isn't the background color changing when I scroll?**
A: The usual cause is that one of the three required pieces is missing: the scroll colour background type was not selected, Nexter Blocks Pro is not active, or the page is too short to scroll enough. The effect renders nothing if the background type is not chosen, so this is not a subtle failure. On a published page with the right setup, the block renders tpgb-row-scrollbg with the colour list in data-bgcolors and the mode in data-scrolling-effect.

**Q: Should I use smooth blend or direct switch for scroll background colors?**
A: Smooth blend is better when you want the section to feel like it changes gradually as people move through it. Direct switch is a hard cut, so it reads more like a state change than an animation. The transition value controls how quickly it responds, so raising it can help if the change still feels abrupt. For long pages with multiple sections, smooth blend usually feels less jarring than switching instantly.

**Q: How do I keep text readable when the background changes on scroll?**
A: Text contrast has to work against every colour in the list at every scroll position. If one of the colours sits too close to your text colour, readability breaks in the middle of the scroll even if it looks fine at the start and end. A practical fix is to change that colour or give the text its own background panel. That matters most on pages where several colours pass behind the same content.

**Q: Is there a better alternative if I want movement that isn't tied to scrolling?**
A: The animated colour background is the better fit when you want motion without tying it to scroll position. The scroll colour effect reacts to how far the visitor has moved through the page and follows them back up as well as down. That makes it useful for progress cues on long single-page layouts, but less suitable when you want continuous motion that behaves independently of scrolling.

**Q: Why does this effect feel slow on mobile?**
A: The effect runs on every scroll event, so older phones feel it first when the page is already heavy. Reducing the number of colours lowers how much work has to happen during scrolling, and using it on one section instead of across a whole page keeps things calmer. On mobile, that tradeoff matters because this kind of effect adds work exactly when users are already interacting with the page.