diff --git a/packages/hextorgba/README.md b/packages/hextorgba/README.md
index ef6bfeb..417772c 100644
--- a/packages/hextorgba/README.md
+++ b/packages/hextorgba/README.md
@@ -1,3 +1,31 @@
 # `@artifak/hextorgba`
 
 A utility function to convert hexadecimal colour values to RGBA string.
+
+## Installation
+
+### Yarn
+
+```sh
+yarn add @artifak/hextorgba
+```
+
+### NPM
+
+```sh
+npm install @artifak/hextorgba
+```
+
+## Usage
+
+```ts
+import { hexToRGBA } from 'artifak';
+import styled from 'styled-components';
+
+export const Container = styled.div`
+  margin: 0 auto;
+  width: 100%;
+  background: #000;
+  color: ${hexToRGBA('#FFF', 0.75)};
+`;
+```