/**

* Converts RGB Color To HSL

*

* @param {number} r

* @param {number} g

* @param {number} b

* @returns {number[]}

*/

export default function rgbToHsl(r: number, g: number, b: number): number[] {

(r /= 255), (g /= 255), (b /= 255);

var max = Math.max(r, g, b),

min = Math.min(r, g, b);

var h,

s,

l = (max + min) / 2;

if (max == min) {

h = s = 0;

} else {

var d = max - min;

s = l > 0.5 ? d / (2 - max - min) : d / (max + min);

switch (max) {

case r:

h = (g - b) / d + (g < b ? 6 : 0);

break;

case g:

h = (b - r) / d + 2;

break;

case b:

h = (r - g) / d + 4;

break;

}

h /= 6;

}

return [h, s, l];

}