diff --git a/01-color-flipper/hex.js b/01-color-flipper/hex.js
index e69de29..cb5743b 100644
--- a/01-color-flipper/hex.js
+++ b/01-color-flipper/hex.js
@@ -0,0 +1,19 @@
+const hex = [0,1,2,3,4,5,6,7,8,9,"a","b","c","d","e","f"];
+// #f15025
+
+const btn = document.getElementById('btn');
+const color = document.querySelector('.color');
+
+btn.addEventListener('click', function(){
+    let hexColor = "#";
+
+    for (let i = 0; i < 6; i++) {
+        hexColor += hex[getRandomNumber()];
+    }
+    color.textContent = hexColor;
+    document.body.style.backgroundColor = hexColor;
+})
+
+function getRandomNumber(){
+    return Math.floor(Math.random() * hex.length);
+}