diff --git a/README.md b/README.md
index 4df1935..5e65f03 100644
--- a/README.md
+++ b/README.md
@@ -1,35 +1,35 @@
-# stub-repo · [![Test workflow status](https://github.com/ChrisCodesThings/stub-repo/actions/workflows/test.yml/badge.svg)](../../actions/workflows/test.yml) [![NPM Version](https://img.shields.io/npm/v/@chriscodesthings/stub-repo)](https://www.npmjs.com/package/@chriscodesthings/stub-repo) [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
+# rgb-color-yiq-value · [![Test workflow status](https://github.com/ChrisCodesThings/rgb-color-yiq-value/actions/workflows/test.yml/badge.svg)](../../actions/workflows/test.yml) [![NPM Version](https://img.shields.io/npm/v/@chriscodesthings/rgb-color-yiq-value)](https://www.npmjs.com/package/@chriscodesthings/rgb-color-yiq-value) [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 
-> **Function to determine if something is a string type**
+> **Calculate the YIQ value of a color in RGB format**
 
 ## Install
 
 ```sh
-npm install --save @chriscodesthings/stub-repo
+npm install --save @chriscodesthings/rgb-color-yiq-value
 ```
 
 ## Use
 
 ```js
-import stubRepo from '@chriscodesthings/stub-repo';
+import isString from '@chriscodesthings/rgb-color-yiq-value';
 
-console.log(stubRepo("hello world!"));
-// => true
+console.log(rgbYIQValue(102,153,255));
+// => 149.379
 ```
 
 ## Syntax
 
 ```js
-stubRepo(var);
+rgbYIQValue(r, g, b);
 ```
 
 ### Parameters
 
-- *var*: any
+- *r, g, b*: red green and blue color components
 
 ### Return Value
 
-Returns something probably.
+Returns calculated YIQ value of the color.
 
 ## Description
 
diff --git a/index.js b/index.js
index ee83d8c..4e87ad2 100644
--- a/index.js
+++ b/index.js
@@ -1,2 +1,2 @@
-export { default } from "./src/stubRepo.js";
+export { default } from "./src/rgbColorYIQValue.js";
 
diff --git a/package-lock.json b/package-lock.json
index d5cf92a..5a069a7 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@chriscodesthings/stub-repo",
-  "version": "1.0.1",
+  "version": "0.1.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@chriscodesthings/stub-repo",
-      "version": "1.0.1",
+      "version": "0.1.0",
       "license": "MIT",
       "devDependencies": {
         "auto-changelog": "*",
diff --git a/package.json b/package.json
index 6999e2c..99ddd32 100644
--- a/package.json
+++ b/package.json
@@ -1,15 +1,15 @@
 {
-  "name": "@chriscodesthings/stub-repo",
+  "name": "@chriscodesthings/rgb-color-yiq-value",
   "version": "0.1.0",
-  "description": "npm package template",
+  "description": "Calculate the YIQ value of a color in RGB format",
   "keywords": [
-    "stub",
-    "package",
-    "template"
+    "rgb",
+    "color",
+    "yiq"
   ],
   "repository": {
     "type": "git",
-    "url": "git+https://github.com/ChrisCodesThings/stub-repo.git"
+    "url": "git+https://github.com/ChrisCodesThings/rgb-color-yiq-value.git"
   },
   "main": "index.js",
   "type": "module",
@@ -23,7 +23,7 @@
     "node": ">=18.0.0"
   },
   "bugs": {
-    "url": "https://github.com/ChrisCodesThings/stub-repo/issues"
+    "url": "https://github.com/ChrisCodesThings/rgb-color-yiq-value/issues"
   },
   "scripts": {
     "test": "NODE_OPTIONS='--experimental-vm-modules' jest",
diff --git a/src/rgbColorYIQValue.js b/src/rgbColorYIQValue.js
new file mode 100644
index 0000000..0164830
--- /dev/null
+++ b/src/rgbColorYIQValue.js
@@ -0,0 +1,4 @@
+
+export default function (r, g, b) {
+    return ((r * 299) + (g * 587) + (b * 114)) / 1000;
+}
diff --git a/src/stubRepo.js b/src/stubRepo.js
deleted file mode 100644
index dd98697..0000000
--- a/src/stubRepo.js
+++ /dev/null
@@ -1,5 +0,0 @@
-
-export default function () {
-    console.log("Hello world!");
-    return true;
-}
diff --git a/tests/index.test.js b/tests/index.test.js
index bcb22a8..12d3989 100644
--- a/tests/index.test.js
+++ b/tests/index.test.js
@@ -1,8 +1,9 @@
 
 const { default: testFunc } = await import("../");
 
-describe("testing my module", () => {
-    test("expect function to return true", async () => {
-        expect(testFunc()).toEqual(true);
+describe("let's check the value of cornflowerblue", () => {
+    test("checking YIQ value", async () => {
+        expect(testFunc(102, 153, 255)).toEqual(149.379);
     });
 });
+