Menu

Important: This documentation is about an older version. It's relevant only to the release noted, many of the features and functions have been updated or replaced. Please view the current version.

Documentationbreadcrumb arrow Grafana documentationbreadcrumb arrow API Referencebreadcrumb arrow @grafana/databreadcrumb arrow alpha
Enterprise Open source

colorManipulator.alpha() function

This API is provided as a preview for developers and may change based on feedback that we receive. Do not use this API in a production environment.

colorManipulator.alpha() function

Set the absolute transparency of a color. Any existing alpha values are overwritten.

Signature

typescript 
export declare function alpha(color: string, value: number): string;

Import

typescript 
import { colorManipulator } from '@grafana/data';
const { alpha } = colorManipulator;

Parameters

ParameterTypeDescription
colorstringCSS color, i.e. one of: #nnn, #nnnnnn, rgb(), rgba(), hsl(), hsla(), color()
valuenumbervalue to set the alpha channel to in the range 0 - 1

Returns:

string

A CSS color string. Hex input values are returned as rgb