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RGB color to hexadecimal color JavaScript
We are required to write a JavaScript function that takes in a RGB color and returns its hexadecimal representation.
The function should take in an object containing three numbers representing the respective values of red green and blue color.
For example:
rgbToHex(0, 128, 192) should return '#0080C0'
The code for this will be −
const rgbColor = {
red: 0,
green: 51,
blue: 155
}
function rgbToHex({
red: r,
green: g,
blue: b
}) {
const prefix = '#';
const hex = prefix + ((1 << 24) + (r << 16) + (g << 8) + b)
.toString(16)
.slice(1);
return hex;
};
console.log(rgbToHex(rgbColor));Following is the output on console −
#00339b
Updated on 09-Oct-2020 11:05:17
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