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Floating action buttons (FAB)

This documentation is fully rendered on the Material Web catalog.

FAB represents the most important action on a screen. It puts key actions within reach.

Extended FABs help people take primary actions. They're wider than FABs to accommodate a text label and larger target area.

A phone showing a payment screen with a green filled button that says 'Make payment'

Types

The 3 sizes of FAB

  1. FAB
  2. Small FAB
  3. Large FAB

Extended FAB

2 examples of extended FABs

Usage

FABs should have an icon, such as a font md-icon, an svg, or an img.

A standard surface fab

<md-fab aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Lowered

FABs can be set to a lower elevation with the lowered attribute.

A standard fab with an edit icon and lowered in elevation

<md-fab lowered aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Accessibility

Icon-only FABs must include an aria-label that describes its action. Otherwise if aria-label is not provided, the FAB will default to announcing its visible contents.

<md-fab aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Extended FABs use their label for accessibility. Add an aria-label for additional context if needed. By supplying the label attribute, the extended FAB will make sure that the icon is not announced.

<md-fab label="Edit" aria-label="Edit Comment">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

FAB

FABs should display a clear and understandable icon.

A standard surface fab

<md-fab aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Extended

FABs may be extended with a label for additional emphasis. Extended FABs can omit their icon.

An extended FAB with an edit icon and the visible text edit

<md-fab label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Without icon

Extended FABs are the only FABs that can be used without an icon.

An extended FAB with a visible label saying reroute

<md-fab label="Reroute"></md-fab>

Colors

FAB colors may be changed with the variant attribute. It can be set to "surface" (default), "primary", "secondary", or "tertiary".

Three fabs with edit icons next to each other but the first is primary colored, second is secondary, and the last is tertiary colored.

<md-fab variant="primary" aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>
<md-fab variant="secondary" aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>
<md-fab variant="tertiary" aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Sizes

FABs may be small, medium (default), or large by setting the size attribute. Small FABs can optionally further reduce their touch target.

Four surface fabs side by side with edit icons of visual size size small, small, medium, and large

<md-fab size="small" touch-target="none" aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>
<md-fab size="small" aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>
<md-fab aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>
<md-fab size="large" aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Branded FAB

Branded FABs use a brightly colored logo for their icon. Unlike FAB, branded FABs do not have color variants.

A branded FAB with a google-colored plus icon.

<md-branded-fab size="small" aria-label="Add">
  <svg slot="icon" viewBox="0 0 36 36">
    <path fill="#34A853" d="M16 16v14h4V20z"></path>
    <path fill="#4285F4" d="M30 16H20l-4 4h14z"></path>
    <path fill="#FBBC05" d="M6 16v4h10l4-4z"></path>
    <path fill="#EA4335" d="M20 16V6h-4v14z"></path>
    <path fill="none" d="M0 0h36v36H0z"></path>
  </svg>
</md-branded-fab>

Extended

Branded FABs may be extended with a label for additional emphasis. Unlike FAB, branded FABs should always display their logo icon.

An extended branded fab with a google-colored plus icon and the visible text Add

<md-branded-fab label="Add">
  <svg slot="icon" viewBox="0 0 36 36">
    <path fill="#34A853" d="M16 16v14h4V20z"></path>
    <path fill="#4285F4" d="M30 16H20l-4 4h14z"></path>
    <path fill="#FBBC05" d="M6 16v4h10l4-4z"></path>
    <path fill="#EA4335" d="M20 16V6h-4v14z"></path>
    <path fill="none" d="M0 0h36v36H0z"></path>
  </svg>
</md-branded-fab>

Sizes

Branded FABs may be medium (default) or large by setting the size attribute.

Two branded FABs next to each other with a google-branded plus icon. A medium sized one and a large one.

<md-branded-fab aria-label="Add">
  <svg slot="icon" viewBox="0 0 36 36">
    <path fill="#34A853" d="M16 16v14h4V20z"></path>
    <path fill="#4285F4" d="M30 16H20l-4 4h14z"></path>
    <path fill="#FBBC05" d="M6 16v4h10l4-4z"></path>
    <path fill="#EA4335" d="M20 16V6h-4v14z"></path>
    <path fill="none" d="M0 0h36v36H0z"></path>
  </svg>
</md-branded-fab>
<md-branded-fab size="large" aria-label="Add">
  <svg slot="icon" viewBox="0 0 36 36">
    <path fill="#34A853" d="M16 16v14h4V20z"></path>
    <path fill="#4285F4" d="M30 16H20l-4 4h14z"></path>
    <path fill="#FBBC05" d="M6 16v4h10l4-4z"></path>
    <path fill="#EA4335" d="M20 16V6h-4v14z"></path>
    <path fill="none" d="M0 0h36v36H0z"></path>
  </svg>
</md-branded-fab>

Theming

FAB supports Material theming and can be customized in terms of color, typography, and shape.

FAB tokens

Token Default value
--md-fab-container-color --md-sys-color-surface-container-high
--md-fab-lowered-container-color --md-sys-color-surface-container-low
--md-fab-container-shape 16px
--md-fab-icon-color --md-sys-color-primary
--md-fab-icon-size 24px

FAB example

Image of a fab with a different theme applied

<style>
  :root {
    --md-sys-color-surface-container-high: #e3e9e9;
    --md-sys-color-primary: #006a6a;
    --md-fab-container-shape: 0px;
    --md-fab-icon-size: 36px;
    background-color: #f4fbfa;
  }
</style>
<md-fab aria-label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Sizes tokens

Token Default value
--md-fab-small-container-shape 12px
--md-fab-small-icon-size 24px
--md-fab-large-container-shape 28px
--md-fab-large-icon-size 36px

Extended FAB tokens

Token Default value
--md-fab-label-text-font --md-sys-typescale-label-large-font

Extended FAB example

Image of an extended FAB with a different theme applied

<style>
  :root {
    --md-sys-color-surface-container-high: #e3e9e9;
    --md-sys-color-on-surface: #161d1d;
    --md-sys-color-primary: #006a6a;
    --md-fab-container-shape: 0px;
    --md-fab-icon-size: 36px;
    background-color: #f4fbfa;
  }
</style>
<md-fab label="Edit">
  <md-icon slot="icon">edit</md-icon>
</md-fab>

Branded FAB tokens

Token Default value
--md-fab-branded-container-color --md-sys-color-surface-container-high
--md-fab-branded-container-shape 16px
--md-fab-branded-icon-size 36px
--md-fab-branded-label-text-font --md-sys-typescale-label-large-font

Branded FAB example

Image of two branded fabs, one regular, one extended with the visible label Add with a different theme applied

<style>
  :root {
    --md-sys-color-surface-container-high: #e3e9e9;
    --md-sys-color-on-surface: #161d1d;
    --md-fab-branded-icon-size: 48px;
    --md-fab-branded-container-shape: 0px;
    background-color: #f4fbfa;
  }
</style>
<md-branded-fab size="small" aria-label="Add">
  <svg slot="icon" viewBox="0 0 36 36">
    <path fill="#34A853" d="M16 16v14h4V20z"></path>
    <path fill="#4285F4" d="M30 16H20l-4 4h14z"></path>
    <path fill="#FBBC05" d="M6 16v4h10l4-4z"></path>
    <path fill="#EA4335" d="M20 16V6h-4v14z"></path>
    <path fill="none" d="M0 0h36v36H0z"></path>
  </svg>
</md-branded-fab>
<md-branded-fab size="small" label="Add">
  <svg slot="icon" viewBox="0 0 36 36">
    <path fill="#34A853" d="M16 16v14h4V20z"></path>
    <path fill="#4285F4" d="M30 16H20l-4 4h14z"></path>
    <path fill="#FBBC05" d="M6 16v4h10l4-4z"></path>
    <path fill="#EA4335" d="M20 16V6h-4v14z"></path>
    <path fill="none" d="M0 0h36v36H0z"></path>
  </svg>
</md-branded-fab>

API

MdFab <md-fab>

Properties

Property Attribute Type Default Description
variant variant string 'surface' The FAB color variant to render.
size size string 'medium' The size of the FAB.
NOTE: Branded FABs cannot be sized to small, and Extended FABs do not have different sizes.
label label string '' The text to display on the FAB.
lowered lowered boolean false Lowers the FAB's elevation.

MdBrandedFab <md-branded-fab>

Properties

Property Attribute Type Default Description
variant variant string 'surface' The FAB color variant to render.
size size string 'medium' The size of the FAB.
NOTE: Branded FABs cannot be sized to small, and Extended FABs do not have different sizes.
label label string '' The text to display on the FAB.
lowered lowered boolean false Lowers the FAB's elevation.

Methods

Method Parameters Returns Description
getRenderClasses None { primary: boolean; secondary: boolean; tertiary: boolean; small: boolean; lowered: boolean; large: boolean; extended: boolean; }