Porsche Design System
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Migration Guide Table of Contents ā­ Introducing Color Scheme The new color system leverages the CSS light-dark() function to deliver native, preference-based theming. By adopting this browser-native engine, we have eliminated the need for proprietary switching logic, resulting in a more performant and standardized architecture. Core Implementation All colors and styles are now driven by the CSS color-scheme property. To ensure broad compatibility, we extended the existing Tailwind CSS .scheme-* utility classes with a polyfill for browsers that do not yet support light-dark() (see browser support). Utility Classes Apply these classes to the document or any container to control the color-scheme context: .scheme-light ā€” Forces light mode. .scheme-dark ā€” Forces dark mode. .scheme-light-dark ā€” Dynamically follows system/OS settings. Usage The defined color-scheme context will cascade to all child elements. 
<!-- Defined color-scheme will be applied to all child elements -->
<html class="scheme-dark">
  <head></head>
  <body>
    <!-- Will be rendered in dark mode -->
    <div class="bg-frosted text-primary"></div>
  </body>
</html>
šŸ‘¹ Breaking Changes Theme utility classes .light, .dark and .auto have been removed in favor of .scheme-light, .scheme-dark and .scheme-light-dark. Please update your class names accordingly. 
- <html class="dark">
+ <html class="scheme-dark">

- <html class="light">
+ <html class="scheme-light">

- <html class="auto">
+ <html class="scheme-light-dark">
Ensure consistency with the Porsche Brand Guide by resetting Tailwind CSS defaults like --color-*: initial;. Note that this is a breaking change: standard utilities like bg-red-500 will no longer function. You must now use the approved PDS tokens for all styling to ensure brand compliance. Removed --color-disabled, use --color-contrast-lower instead. 
- <div class="text-disabled">ā€¦</div>
+ <div class="text-contrast-lower">ā€¦</div>
Removed --color-*-light and --color-*-dark color variables, use --color-* or the corresponding CSS utility classes, e.g. bg-frosted or text-primary instead. The new variables automatically resolve to the correct value based on the color-scheme. šŸ¤” Deprecations (will be removed in v5) Please transition to the new styles as soon as possible. All legacy styles are currently deprecated and are scheduled for removal in the next major release. Border See Tailwind CSS Border Examples for more details. 
- .border-thin
+ .border
- .border-regular
+ .border
The CSS variables --border-width-thin and --border-width-regular are deprecated. The default border width is now 1px via --default-border-width. Shadow See Tailwind CSS Shadow Examples for more details. 
- .shadow-low
+ .shadow-sm
- .shadow-medium
+ .shadow-md
- .shadow-high
+ .shadow-lg
Motion See Tailwind CSS Motion Examples for more details. 
- .duration-short
+ .duration-sm
- .duration-moderate
+ .duration-md
- .duration-long
+ .duration-lg
- .duration-very-long
+ .duration-xl
Typography See Tailwind CSS Typography Examples for more details. 
- .prose-display-lg
+ .prose-heading-5xl
- .prose-display-md
+ .prose-heading-4xl
- .prose-display-sm
+ .prose-heading-3xl
Global settingsColor SchemeAll color tokens use the light-dark() CSS function. Set the theme via the CSS color-scheme property: light for light mode, dark for dark mode, or light dark to follow the user's system preference.LightDarkLight DarkDirectionThe dir global attribute in HTML changes the direction of text and other content within an element. It's most often used on the <html> tag to set the entire page's direction, which is crucial for supporting languages that are written from right to left (RTL), such as Arabic and Hebrew. For example, using <html dir="rtl"> makes the entire page display from right to left, adjusting the layout and text flow accordingly.LTR (left-to-right)RTL (right-to-left)Text ZoomTo ensure accessibility and comply with WCAG 2.2 AA standards, it is mandatory for web content to support text resizing up to at least 200% without loss of content or functionality. Using relative units like rem is a best practice for achieving this, as they allow the text to scale uniformly based on the user's browser settings.100%130%150%200%