How to convert RGB to HEX? JavaScript Interview Question | Frontend Problem Solving

In this question, you need to create a function rgbToHex that converts RGB format to HEX format.

Syntax

/**
 * @param {string}
 * @param {string}
 * @param {string}
 * @returns {string}
 */
rgbToHex(r, g, b) { ... }

Parameters

All parameters are mandatory.

• r: string
• g: string
• b: string

Return

The HEX value as an uppercased string.

rgbToHex(255, 255, 255);
// -> Should return #FFFFFF

rgbToHex(0, 0, 0);
// -> Should return #000000

rgbToHex(186, 218, 85);
// -> Should return #BADA55

rgbToHex(256, 255, 255);
// -> Should return #FFFFFF

Submission

Please start the timer before starting and finish your solution within 45 mins. Share your solution with us on Twitter or LinkedIn.

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