Color variants and CSS class mapping

Base variants

• primary - Primary
• secondary - Secondary
• success - Success
• warning - Warning
• danger - Danger
• info - Info
• light - Light
• dark - Dark

The base variants will translate to various Bootstrap v4 contextual class names based on the component (and variant purpose) where they are used. See the sections below for details.

Background and border variants

All the base variants plus:

• white
• transparent

These translate to class names bg-{variant} for backgrounds and border-{variant} for borders.

These variants are used by components (such as <b-card>, <b-jumbotron>, <b-modal>, etc.) that provide bg-variant, *-bg-variant, border-variant and *-border-variant props.

Text variants

All the base variants plus:

• muted
• white
• black

These translate to class names text-{variant}

These variants are used by components (such as <b-card>, <b-jumbotron>, <b-modal>, etc.) that provide text-variant and *-text-variant props.

Component specific variants

Some Bootstrap v4 components require additional CSS styling, or additional pseudo selector styling (i.e buttons), and hence have their own underlying variant CSS classes.

Alert variants

All the base variants

These translate to class names alert-{variant}.

Badge variants

All the base variants

These translate to class names badge-{variant}.

Button variants

All the base variants plus:

• outline-{base variant} which generates an outline button version of the base variant
• link which renders the button with the look of a link but retains button padding and margins

These translate to class names btn-{variant} and btn-outline-{variant}.

Note the link variant does not have an outline version.

Table variants

All the base variants plus:

• active

These variants translate to class names table-{variant}.

When the table has the dark prop set, the variants translate to the bg-{variant} classes.

Note that the active variant is only applicable to <tr> elements within the <tbody>, and can not be applied to individual table cells or used as the table-variant.

Popover variants

All the base variants

These translate to BootstrapVue custom class names b-popover-{variant}.

Tooltip variants

All the base variants

These translate to BootstrapVue custom class names b-tooltip-{variant}.

Toast variants

All the base variants

These translate to BootstrapVue custom class names b-toast-{variant}.

Using variant classes

You may also use the underlying class names directly on elements (and some components) via the standard HTML class="..." attribute.

Creating custom variants

When creating custom variants, follow the Bootstrap v4 variant CSS class naming scheme and they will become available to the various components that use that scheme (i.e. create a custom CSS class btn-purple and purple becomes a valid variant to use on <b-button>).

Alternatively, you can create new variant theme colors by supplying custom Bootstrap SCSS them color maps. The default theme color map is (from bootstrap/scss/_variables.scss):

// Base grayscale colors definitions
$white: #fff !default;
$gray-100: #f8f9fa !default;
$gray-200: #e9ecef !default;
$gray-300: #dee2e6 !default;
$gray-400: #ced4da !default;
$gray-500: #adb5bd !default;
$gray-600: #6c757d !default;
$gray-700: #495057 !default;
$gray-800: #343a40 !default;
$gray-900: #212529 !default;
$black: #000 !default;

// Base colors definitions
$blue: #007bff !default;
$indigo: #6610f2 !default;
$purple: #6f42c1 !default;
$pink: #e83e8c !default;
$red: #dc3545 !default;
$orange: #fd7e14 !default;
$yellow: #ffc107 !default;
$green: #28a745 !default;
$teal: #20c997 !default;
$cyan: #17a2b8 !default;

// Theme color default definitions
$primary: $blue !default;
$secondary: $gray-600 !default;
$success: $green !default;
$info: $cyan !default;
$warning: $yellow !default;
$danger: $red !default;
$light: $gray-100 !default;
$dark: $gray-800 !default;

// This table defines the theme colors (variant names)
$theme-colors: () !default;
$theme-colors: map-merge(
  (
    'primary': $primary,
    'secondary': $secondary,
    'success': $success,
    'info': $info,
    'warning': $warning,
    'danger': $danger,
    'light': $light,
    'dark': $dark
  ),
  $theme-colors
);

Refer to the Theming section for details on customizing Bootstrap and BootstrapVue styles.