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snippets/rgb-to-hex.md
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snippets/rgb-to-hex.md
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---
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title: RGB to hex
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tags: string,math
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cover: colors-mural
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firstSeen: 2017-12-17T17:55:51+02:00
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lastUpdated: 2020-11-03T22:11:18+02:00
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---
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Converts the values of RGB components to a hexadecimal color code.
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- Convert given RGB parameters to hexadecimal string using bitwise left-shift operator (`<<`) and `Number.prototype.toString()`.
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- Use `String.prototype.padStart()` to get a 6-digit hexadecimal value.
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```js
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const RGBToHex = (r, g, b) =>
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((r << 16) + (g << 8) + b).toString(16).padStart(6, '0');
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```
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```js
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RGBToHex(255, 165, 1); // 'ffa501'
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```
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