@alchemyalcove/rgb-to-hsl
Version:
Convert rgb to hsl
45 lines (37 loc) • 785 B
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = function (rgb) {
var r = rgb[0] / 255;
var g = rgb[1] / 255;
var b = rgb[2] / 255;
var max = Math.max(r, g, b);
var min = Math.min(r, g, b);
var delta = max - min;
var h = void 0;
var s = void 0;
var l = void 0;
if (max === min) {
h = 0;
} else if (r === max) {
h = (g - b) / delta;
} else if (g === max) {
h = 2 + (b - r) / delta;
} else if (b === max) {
h = 4 + (r - g) / delta;
}
h = Math.min(h * 60, 360);
if (h < 0) {
h += 360;
}
l = (min + max) / 2;
if (max === min) {
s = 0;
} else if (l <= 0.5) {
s = delta / (max + min);
} else {
s = delta / (2 - max - min);
}
return [h, s * 100, l * 100];
};