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javascript/snippets/random-hex-color-code.md

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+---
+title: Random hex color code
+type: snippet
+tags: [math,random]
+cover: feathers
+dateModified: 2021-01-08T00:23:44+02:00
+---
+
+Generates a random hexadecimal color code.
+
+- Use `Math.random()` to generate a random 24-bit (6 * 4bits) hexadecimal number.
+- Use bit shifting and then convert it to an hexadecimal string using `Number.prototype.toString()`.
+
+```js
+const randomHexColorCode = () => {
+  let n = (Math.random() * 0xfffff * 1000000).toString(16);
+  return '#' + n.slice(0, 6);
+};
+```
+
+```js
+randomHexColorCode(); // '#e34155'
+```