--- title: randomHexColorCode tags: math,random,beginner firstSeen: 2017-12-24T14:39:21+02:00 lastUpdated: 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(16)`. ```js const randomHexColorCode = () => { let n = (Math.random() * 0xfffff * 1000000).toString(16); return '#' + n.slice(0, 6); }; ``` ```js randomHexColorCode(); // '#e34155' ```