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rgbaToHexAlpha

The rgbaToHexAlpha function converts RGBA color values to a HEX color string with alpha.

Syntax​

rgbaToHexAlpha(r: number, g: number, b: number, a: number): string;

Parameters​

  • r (number): The red value (0-255).
  • g (number): The green value (0-255).
  • b (number): The blue value (0-255).
  • a (number): The alpha value (0-1).

Returns​

  • string: The HEX color string with alpha (e.g., #RRGGBBAA).

Throws​

  • Error: Throws an error if the input color values are out of range.

Example​

import { rgbaToHexAlpha } from 'colore-js';

const hexColor = rgbaToHexAlpha(255, 87, 51, 0.5);
console.log(hexColor); // Output: "#ff57337f"

Usage​

The rgbaToHexAlpha function is useful for converting RGBA color values to a HEX representation with alpha, which can be useful in various graphics and web applications.