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30-seconds-of-code/snippets/js/s/hsb-to-rgb.md
2023-05-10 22:35:09 +03:00

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---
title: HSB to RGB
type: snippet
language: javascript
tags: [math]
cover: walking-on-top
dateModified: 2020-09-18T14:25:07+03:00
---
Converts a HSB color tuple to RGB format.
- Use the [HSB to RGB conversion formula](https://en.wikipedia.org/wiki/HSL_and_HSV#HSV_to_RGB) to convert to the appropriate format.
- The range of the input parameters is H: [0, 360], S: [0, 100], B: [0, 100].
- The range of all output values is [0, 255].
```js
const HSBToRGB = (h, s, b) => {
s /= 100;
b /= 100;
const k = (n) => (n + h / 60) % 6;
const f = (n) => b * (1 - s * Math.max(0, Math.min(k(n), 4 - k(n), 1)));
return [255 * f(5), 255 * f(3), 255 * f(1)];
};
```
```js
HSBToRGB(18, 81, 99); // [252.45, 109.31084999999996, 47.965499999999984]
```