[pickr] color pickerを実装したい

RGBを入力するのは、RGBを調べるという手間が入るので、color pickerを実装したい。
pickrというライブラリがある様なので、それを使う。

$ npm install @simonwep/pickr

githubそのままですが、

<!DOCTYPE html>
<html lang="en">
<head>
	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
	<meta charset="UTF-8">
	<title>Document</title>
	<link href="/node_modules/@simonwep/pickr/dist/themes/classic.min.css" rel="stylesheet">
	<link href="/node_modules/@simonwep/pickr/dist/themes/monolith.min.css" rel="stylesheet">
	<link href="/node_modules/@simonwep/pickr/dist/themes/nano.min.css" rel="stylesheet">

	<script src="/node_modules/@simonwep/pickr/dist/pickr.min.js"></script>
	<script src="/node_modules/@simonwep/pickr/dist/pickr.es5.min.js"></script>
</head>
<body>
	<div class="color-picker"></div>
	<script>
		const pickr = Pickr.create({
		    el: '.color-picker',
		    theme: 'classic', 

		    swatches: [
		        'rgba(244, 67, 54, 1)',
		        'rgba(233, 30, 99, 0.95)',
		        'rgba(156, 39, 176, 0.9)',
		        'rgba(103, 58, 183, 0.85)',
		        'rgba(63, 81, 181, 0.8)',
		        'rgba(33, 150, 243, 0.75)',
		        'rgba(3, 169, 244, 0.7)',
		        'rgba(0, 188, 212, 0.7)',
		        'rgba(0, 150, 136, 0.75)',
		        'rgba(76, 175, 80, 0.8)',
		        'rgba(139, 195, 74, 0.85)',
		        'rgba(205, 220, 57, 0.9)',
		        'rgba(255, 235, 59, 0.95)',
		        'rgba(255, 193, 7, 1)'
		    ],

		    components: {

		        // Main components
		        preview: true,
		        opacity: true,
		        hue: true,

		        // Input / output Options
		        interaction: {
		            hex: true,
		            rgba: true,
		            hsla: true,
		            hsva: true,
		            cmyk: true,
		            input: true,
		            clear: true,
		            save: true
		        }
		    }
		});
	</script>
</body>
</html>

これは凄い。使いたいな。