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Content & Display

High Contrast Mode Switch

AddonLogic High Contrast Mode Switch

About this Plugin

Adds a floating button to the front end that visitors can click to toggle a high-contrast colour scheme across the entire site. The preference is saved in `localStorage` so it persists across page loads and browser sessions. When active, the CSS class `hcm-active` is applied to `<html>` before first paint to prevent any flash.

Plugin Details

Category Content & Display
Author Snehal Pancholi — Freelance Developer
Plugin Page https://addonlogic.com/high-contrast-mode-switch
Requires WordPress 6.0+, PHP 8.1+
License GPL-2.0+

Installation

  1. Download the plugin ZIP file using the button on this page.
  2. Go to WordPress Admin → Plugins → Add New.
  3. Click Upload Plugin and select the downloaded ZIP.
  4. Click Install Now then Activate Plugin.