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Contrast

发布于 2024-07-30 22:15:50 字数 8908 浏览 0 评论 0 收藏 0

Utilities for applying contrast filters to an element.

Quick reference

ClassProperties
contrast-0filter: contrast(0);
contrast-50filter: contrast(.5);
contrast-75filter: contrast(.75);
contrast-100filter: contrast(1);
contrast-125filter: contrast(1.25);
contrast-150filter: contrast(1.5);
contrast-200filter: contrast(2);

Basic usage

Changing element contrast

Use the contrast-* utilities to control an element’s contrast.

contrast-50

contrast-100

contrast-125

contrast-200

<div class="contrast-50 ...">
  <!-- ... -->
</div>
<div class="contrast-100 ...">
  <!-- ... -->
</div>
<div class="contrast-125 ...">
  <!-- ... -->
</div>
<div class="contrast-200 ...">
  <!-- ... -->
</div>

Removing filters

To remove all of the filters on an element at once, use the filter-none utility:

<div class="blur-md invert contrast-125 md:filter-none">
  <!-- ... -->
</div>

This can be useful when you want to remove filters conditionally, such as on hover or at a particular breakpoint.


Applying conditionally

Hover, focus, and other states

Tailwind lets you conditionally apply utility classes in different states using variant modifiers. For example, use hover:contrast-150 to only apply the contrast-150 utility on hover.

<div class="contrast-125 hover:contrast-150">
  <!-- ... -->
</div>

For a complete list of all available state modifiers, check out the Hover, Focus, & Other States documentation.

Breakpoints and media queries

You can also use variant modifiers to target media queries like responsive breakpoints, dark mode, prefers-reduced-motion, and more. For example, use md:contrast-150 to apply the contrast-150 utility at only medium screen sizes and above.

<div class="contrast-125 md:contrast-150">
  <!-- ... -->
</div>

To learn more, check out the documentation on Responsive Design, Dark Mode and other media query modifiers.


Using custom values

Customizing your theme

By default, Tailwind includes a handful of general purpose contrast utilities. You can customize these values by editing theme.contrast or theme.extend.contrast in your tailwind.config.js file.

tailwind.config.js
module.exports = {
  theme: {
    extend: {
      contrast: {
        25: '.25',
      }
    }
  }
}

Learn more about customizing the default theme in the theme customization documentation.

Arbitrary values

If you need to use a one-off contrast value that doesn’t make sense to include in your theme, use square brackets to generate a property on the fly using any arbitrary value.

<div class="contrast-[.25]">
  <!-- ... -->
</div>

Learn more about arbitrary value support in the arbitrary values documentation.

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